Move DisableAnimationsTestRule to test/ui and add base DummyUiActivityTestCase for DummyUiActivity


Bug: 728297
Change-Id: I5945bb2abaef870e10f60f82b0ff41dab116cd00
Reviewed-on: https://chromium-review.googlesource.com/c/1415771
Commit-Queue: Yun Liu <yliuyliu@google.com>
Reviewed-by: David Trainor <dtrainor@chromium.org>
Cr-Commit-Position: refs/heads/master@{#623833}
5 files changed