Flip Linux x64, linux_chromium_archive_rel_ng bots to MB.

Flip Linux x64, linux_chromium_archive_rel_ng bots to MB.

R=phajdan.jr@chromium.org
BUG=545480, 531296
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=297497

[Dirk Pranke, 2015-11-07 03:32:00]

https://codereview.chromium.org/1435513003/ should probably land before this,
but doesn't have to
(linux_chromium_archive_rel_ng will be broken w/o the src-side change, but that
bot is not
currently doing anything).

[Paweł Hajdan Jr., 2015-11-09 10:39:14]

LGTM

[Dirk Pranke, 2015-11-09 19:47:37]

The CQ bit was checked by dpranke@chromium.org

[commit-bot: I haz the power, 2015-11-09 19:47:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1412093012/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1412093012/1

[commit-bot: I haz the power, 2015-11-09 19:50:29]

Committed patchset #1 (id:1) as
http://src.chromium.org/viewvc/chrome?view=rev&revision=297497

[Paweł Hajdan Jr., 2015-11-10 16:51:22]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/1413523010/ by phajdan.jr@chromium.org.

The reason for reverting is: Breaks linux_chromium_archive_rel_ng after
https://codereview.chromium.org/1435513003 got reverted:
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_....