Remove *TaskScheduler* filter, and more specific suppressions.

Bug: 735701
Change-Id: I99b4e0c075c8c4787ae84eaf45351e5e69d1fa20
Reviewed-on: https://chromium-review.googlesource.com/575308Reviewed-by: Sergey Ulanov <sergeyu@chromium.org>
Commit-Queue: Wez <wez@chromium.org>
Cr-Commit-Position: refs/heads/master@{#488496}

testing/buildbot/filters/fuchsia.base_unittests.filter

@@ -83,28 +83,9 @@
 -ProcessUtilTest.LaunchProcess
 -ProcessUtilTest.PreExecHook
 -ProcessUtilTest.SpawnChild
--RedirectionToTaskScheduler/SequencedWorkerPoolTest.AvoidsDeadlockOnShutdown/0
--RedirectionToTaskScheduler/SequencedWorkerPoolTest.AvoidsDeadlockOnShutdownWithSequencedBlockingTasks/0
--RedirectionToTaskScheduler/SequencedWorkerPoolTest.ContinueOnShutdown/0
--RedirectionToTaskScheduler/SequencedWorkerPoolTest.DiscardOnShutdown/0
--RedirectionToTaskScheduler/SequencedWorkerPoolTest.FlushForTesting/0
--RedirectionToTaskScheduler/SequencedWorkerPoolTest.GetWorkerPoolAndSequenceTokenForCurrentThread/0
--RedirectionToTaskScheduler/SequencedWorkerPoolTest.RunsTasksOnCurrentThread/0
--RedirectionToTaskScheduler/SequencedWorkerPoolTest.ShutsDownCleanWithContinueOnShutdown/0
--RedirectionToTaskScheduler/SequencedWorkerPoolTest.SkipOnShutdown/0
--RedirectionToTaskScheduler/SequencedWorkerPoolTest.SpuriousWorkSignal/0
 -SysInfoTest.AmountOfFreeDiskSpace
 -SysInfoTest.AmountOfMem
 -SysInfoTest.AmountOfTotalDiskSpace
--TaskSchedulerSingleThreadTaskRunnerManagerJoinTest.ConcurrentJoinExtraSkippedTask
--TaskSchedulerSingleThreadTaskRunnerManagerStartTest.PostTaskBeforeStart
--TaskSchedulerWorkerPoolCheckTlsReuse.CheckDetachedThreads
--TaskSchedulerWorkerPoolHistogramTest.NumTasksBeforeDetach
--TaskSchedulerWorkerPoolHistogramTest.NumTasksBetweenWaits
--TaskSchedulerWorkerPoolHistogramTest.NumTasksBetweenWaitsWithDetach
--TaskSchedulerWorkerPoolImplPostTaskBeforeStartTest.PostTasksBeforeStart
--TaskSchedulerWorkerPoolStandbyPolicyTest.InitLazy
--TaskSchedulerWorkerPoolStandbyPolicyTest.InitOne
 -TrackedObjectsTest.ReuseRetiredThreadData
 -VerifyPathControlledByUserTest.BadPaths
 -VerifyPathControlledByUserTest.GroupWriteTest
@@ -112,8 +93,5 @@
 -VerifyPathControlledByUserTest.Symlinks
 -VerifyPathControlledByUserTest.WriteBitChecks
 
-# TaskScheduler is racy, causing bot instability: https://crbug.com/735701.
--*TaskScheduler*
-
 # CancelableSyncSocket tests fail: http://crbug.com/741783
 -CancelableSyncSocket*