[task scheduler] Bump up commit window to be the same as the default window for status.
[task scheduler] Bump up commit window to be the same as the default window for status.

BUG=skia:

Change-Id: I49a4e9fa7b6f9cab6a6a555bafc068162eb27cdd
Reviewed-on: https://skia-review.googlesource.com/6499
Reviewed-by: Kevin Lubick <7cdab2cfab351f23814786ba39716e90eed69047@google.com>
Commit-Queue: Ben Wagner <3ef7217be91069877d94f7907ce5479000772cd3@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot