Reland of Ensure that builders that use goma strip absolute paths by default.

Reland of Ensure that builders that use goma strip absolute paths by default. (patchset #1 id:1 of https://codereview.chromium.org/2843403004/ )

Reason for revert:
Relanding, since this was not a cause of the goma outage.

Original issue's description:
> Revert of Ensure that builders that use goma strip absolute paths by default. (patchset #1 id:1 of https://codereview.chromium.org/2837863005/ )
> 
> Reason for revert:
> Reverting in case this is related to the goma errors in https://crbug.com/716089
> 
> Original issue's description:
> > Ensure that builders that use goma strip absolute paths by default.
> > 
> > This CL tweaks the MB configs so that any builder that is using goma
> > also sets strip_absolute_paths_from_debug_symbols_by_default=true.
> > This helps ensure that we get the best goma cache hit rate possible.
> > We don't just make the default equal to use_goma=true because doing
> > so may make it harder for devs to debug binaries, and we want devs
> > to be able to both debug binaries and use goma by default; the
> > tradeoff is that their builds are slightly slower.
> > 
> > R=thakis@chromium.org, jochen@chromium.org
> > BUG=603286, 712790
> > 
> > Review-Url: https://codereview.chromium.org/2837863005
> > Cr-Commit-Position: refs/heads/master@{#467574}
> > Committed: https://chromium.googlesource.com/chromium/src/+/050dbe550d14e99ad4e83093d4f4e79642b9edc3
> 
> TBR=jochen@chromium.org,thakis@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=603286, 712790
> 
> Review-Url: https://codereview.chromium.org/2843403004
> Cr-Commit-Position: refs/heads/master@{#467769}
> Committed: https://chromium.googlesource.com/chromium/src/+/999471957dc5cf51048b0b344c58925a2954d452

TBR=jochen@chromium.org,thakis@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=603286, 712790
Review-Url: https://codereview.chromium.org/2873513003
Cr-Commit-Position: refs/heads/master@{#470369}
Committed: https://chromium.googlesource.com/chromium/src/+/c7b0cf640eee349516d275dad1a00bd393ac8644

[Dirk Pranke, 2017-05-09 00:59:47]

The CQ bit was checked by dpranke@chromium.org

[Dirk Pranke, 2017-05-09 00:59:47]

Created Reland of Ensure that builders that use goma strip absolute paths by
default.

[commit-bot: I haz the power, 2017-05-09 01:17:09]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-05-09 02:34:47]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-05-09 02:34:49]

Try jobs failed on following builders:
  win_chromium_rel_ng on master.tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_rel_...)

[Nico, 2017-05-09 15:18:02]

The CQ bit was checked by thakis@chromium.org

[commit-bot: I haz the power, 2017-05-09 15:18:21]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[jochen (gone - plz use gerrit), 2017-05-09 16:24:40]

lgtm

[commit-bot: I haz the power, 2017-05-09 17:36:30]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1494343082517190, "parent_rev":
"33f44a4a580cff9bbfc7f2125f33602f5bbb99c5", "commit_rev":
"c7b0cf640eee349516d275dad1a00bd393ac8644"}

[commit-bot: I haz the power, 2017-05-09 17:36:53]

Description was changed from

==========
Reland of Ensure that builders that use goma strip absolute paths by default.
(patchset #1 id:1 of https://codereview.chromium.org/2843403004/ )

Reason for revert:
Relanding, since this was not a cause of the goma outage.

Original issue's description:
> Revert of Ensure that builders that use goma strip absolute paths by default.
(patchset #1 id:1 of https://codereview.chromium.org/2837863005/ )
> 
> Reason for revert:
> Reverting in case this is related to the goma errors in
https://crbug.com/716089
> 
> Original issue's description:
> > Ensure that builders that use goma strip absolute paths by default.
> > 
> > This CL tweaks the MB configs so that any builder that is using goma
> > also sets strip_absolute_paths_from_debug_symbols_by_default=true.
> > This helps ensure that we get the best goma cache hit rate possible.
> > We don't just make the default equal to use_goma=true because doing
> > so may make it harder for devs to debug binaries, and we want devs
> > to be able to both debug binaries and use goma by default; the
> > tradeoff is that their builds are slightly slower.
> > 
> > R=thakis@chromium.org, jochen@chromium.org
> > BUG=603286, 712790
> > 
> > Review-Url: https://codereview.chromium.org/2837863005
> > Cr-Commit-Position: refs/heads/master@{#467574}
> > Committed:
https://chromium.googlesource.com/chromium/src/+/050dbe550d14e99ad4e83093d4f4...
> 
> TBR=jochen@chromium.org,thakis@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=603286, 712790
> 
> Review-Url: https://codereview.chromium.org/2843403004
> Cr-Commit-Position: refs/heads/master@{#467769}
> Committed:
https://chromium.googlesource.com/chromium/src/+/999471957dc5cf51048b0b344c58...

TBR=jochen@chromium.org,thakis@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=603286, 712790
==========

to

==========
Reland of Ensure that builders that use goma strip absolute paths by default.
(patchset #1 id:1 of https://codereview.chromium.org/2843403004/ )

Reason for revert:
Relanding, since this was not a cause of the goma outage.

Original issue's description:
> Revert of Ensure that builders that use goma strip absolute paths by default.
(patchset #1 id:1 of https://codereview.chromium.org/2837863005/ )
> 
> Reason for revert:
> Reverting in case this is related to the goma errors in
https://crbug.com/716089
> 
> Original issue's description:
> > Ensure that builders that use goma strip absolute paths by default.
> > 
> > This CL tweaks the MB configs so that any builder that is using goma
> > also sets strip_absolute_paths_from_debug_symbols_by_default=true.
> > This helps ensure that we get the best goma cache hit rate possible.
> > We don't just make the default equal to use_goma=true because doing
> > so may make it harder for devs to debug binaries, and we want devs
> > to be able to both debug binaries and use goma by default; the
> > tradeoff is that their builds are slightly slower.
> > 
> > R=thakis@chromium.org, jochen@chromium.org
> > BUG=603286, 712790
> > 
> > Review-Url: https://codereview.chromium.org/2837863005
> > Cr-Commit-Position: refs/heads/master@{#467574}
> > Committed:
https://chromium.googlesource.com/chromium/src/+/050dbe550d14e99ad4e83093d4f4...
> 
> TBR=jochen@chromium.org,thakis@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=603286, 712790
> 
> Review-Url: https://codereview.chromium.org/2843403004
> Cr-Commit-Position: refs/heads/master@{#467769}
> Committed:
https://chromium.googlesource.com/chromium/src/+/999471957dc5cf51048b0b344c58...

TBR=jochen@chromium.org,thakis@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=603286, 712790

Review-Url: https://codereview.chromium.org/2873513003
Cr-Commit-Position: refs/heads/master@{#470369}
Committed:
https://chromium.googlesource.com/chromium/src/+/c7b0cf640eee349516d275dad1a0...
==========

[commit-bot: I haz the power, 2017-05-09 17:36:57]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/c7b0cf640eee349516d275dad1a0...

[Dirk Pranke, 2017-05-10 00:35:16]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/2874613002/ by dpranke@chromium.org.

The reason for reverting is: Speculatively reverting in case this is causing
goma crashes (see crbug.com/720074).