Enable 64-bit browser targets by default

When first added, there was concern that the extra targets would heavily
increase the load on build bots.  However, there aren't actually many
Android-64 bots, so we've decided to enable the targets by default for
the sake of keeping them healthy.

Keeping the kill switch for now just in case.

BUG=907640
R=agrieve

Change-Id: I0abb4c781e3559e75d7eba98a9dbcd071ab61a93
Reviewed-on: https://chromium-review.googlesource.com/c/1458361
Commit-Queue: Christopher Grant <cjgrant@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#630786}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: edfe424887e93acad5a3f40f18e50c9212362848
1 file changed