Reland of [Telemetry] Ensure that story display names are unique

Reland of [Telemetry] Ensure that story display names are unique (patchset #1 id:1 of https://codereview.chromium.org/2457303003/ )

Reason for revert:
Trying to land once again

Original issue's description:
> Revert of [Telemetry] Ensure that story display names are unique (patchset #4 id:60001 of https://codereview.chromium.org/2153513002/ )
> 
> Reason for revert:
> Causing telemetry_perf_unittests to time out on Windows???
> 
> Original issue's description:
> > [Telemetry] Ensure that story display names are unique
> > 
> > Telemetry operates on a de-facto assumption that story display names are
> > unique; this CL makes it de-jure.
> > 
> > BUG=catapult:#2429
> > 
> > Committed: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+/42560ff37c155a0b8c319f79511154f58c465b34
> > Committed: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+/a3d2a9721a0bc501733c7e03722e902a7d7c0077
> 
> TBR=nednguyen@google.com
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=catapult:#2429
> 
> Committed: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+/bed2b2a8e226c35df101015ddd37773595d07a89

TBR=nednguyen@google.com
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=catapult:#2429

Committed: https://chromium.googlesource.com/external/github.com/catapult-project/catapult/+/5c88b0bc325efe7ea6cf5be72fdb6009b12cb122

[eakuefner, 2016-10-31 15:23:57]

The CQ bit was checked by eakuefner@chromium.org

[eakuefner, 2016-10-31 15:23:57]

Created Reland of [Telemetry] Ensure that story display names are unique

[commit-bot: I haz the power, 2016-10-31 15:23:59]

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, 2016-10-31 16:10:09]

Description was changed from

==========
Reland of [Telemetry] Ensure that story display names are unique (patchset #1
id:1 of https://codereview.chromium.org/2457303003/ )

Reason for revert:
Trying to land once again

Original issue's description:
> Revert of [Telemetry] Ensure that story display names are unique (patchset #4
id:60001 of https://codereview.chromium.org/2153513002/ )
> 
> Reason for revert:
> Causing telemetry_perf_unittests to time out on Windows???
> 
> Original issue's description:
> > [Telemetry] Ensure that story display names are unique
> > 
> > Telemetry operates on a de-facto assumption that story display names are
> > unique; this CL makes it de-jure.
> > 
> > BUG=catapult:#2429
> > 
> > Committed:
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...
> > Committed:
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...
> 
> TBR=nednguyen@google.com
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=catapult:#2429
> 
> Committed:
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...

TBR=nednguyen@google.com
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=catapult:#2429
==========

to

==========
Reland of [Telemetry] Ensure that story display names are unique (patchset #1
id:1 of https://codereview.chromium.org/2457303003/ )

Reason for revert:
Trying to land once again

Original issue's description:
> Revert of [Telemetry] Ensure that story display names are unique (patchset #4
id:60001 of https://codereview.chromium.org/2153513002/ )
> 
> Reason for revert:
> Causing telemetry_perf_unittests to time out on Windows???
> 
> Original issue's description:
> > [Telemetry] Ensure that story display names are unique
> > 
> > Telemetry operates on a de-facto assumption that story display names are
> > unique; this CL makes it de-jure.
> > 
> > BUG=catapult:#2429
> > 
> > Committed:
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...
> > Committed:
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...
> 
> TBR=nednguyen@google.com
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=catapult:#2429
> 
> Committed:
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...

TBR=nednguyen@google.com
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=catapult:#2429

Committed:
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...
==========

[commit-bot: I haz the power, 2016-10-31 16:10:10]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/github.com/catapult-project/catapu...

[eakuefner, 2016-10-31 20:19:48]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/2467603002/ by eakuefner@chromium.org.

The reason for reverting is: Causing ios-simulator tests to flake???.