Mark CrExtensionsManagerUnitTest.UninstallFromDetails as flaky

TBR: rdevlin.cronin@chromium.org
Bug: 922490
Change-Id: I5eca2c22ac433aeb9ab99c6e9cf75f4e6dd6ac87
Reviewed-on: https://chromium-review.googlesource.com/c/1418071
Reviewed-by: Ian Clelland <iclelland@chromium.org>
Commit-Queue: Ian Clelland <iclelland@chromium.org>
Auto-Submit: Ian Clelland <iclelland@chromium.org>
Cr-Commit-Position: refs/heads/master@{#623798}
1 file changed