Fuchsia: Filter PipelineIntegrationTest.TrackStatusChangesWhileSuspended.

PipelineIntegrationTest.TrackStatusChangesWhileSuspended times out
frequently on the FYI bots, so filter it out for now.

Bug: 836785
Change-Id: Id209d83a72e16a52cd7cc8b9281bf167a63cf636
Reviewed-on: https://chromium-review.googlesource.com/1068617Reviewed-by: Wez <wez@chromium.org>
Commit-Queue: Wez <wez@chromium.org>
Cr-Commit-Position: refs/heads/master@{#561561}

testing/buildbot/filters/fuchsia.base_unittests.filter

@@ -54,3 +54,7 @@
 
 # Flaky, https://crbug.com/811881
 -AddressSpaceRandomizationTest.RandomBitCorrelations*
+
+# Frequently times out, https://crbug.com/836785
+-PipelineIntegrationTest.TrackStatusChangesWhileSuspended
+