Disable ReinitRenderersWhileVideoTrackIsDisabled on all platforms

PipelineIntegrationTest.ReinitRenderersWhileVideoTrackIsDisabled was
disabled on Linux due to flake. It also fails periodically on Fuchsia.
Disabling it on all platforms.

Bug: 788387
Change-Id: I85e3fc22361b355e0fc12ae26e3746d7bf6620c8
Reviewed-on: https://chromium-review.googlesource.com/809293Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Commit-Queue: Sergey Ulanov <sergeyu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#521767}

media/test/pipeline_integration_test.cc

@@ -833,16 +833,9 @@ TEST_F(PipelineIntegrationTest, ReinitRenderersWhileAudioTrackIsDisabled) {
   Stop();
 }
 
-// Disabled on Linux due to flaky DCHECK; see https://crbug.com/788387.
-#if defined(OS_LINUX)
-#define MAYBE_ReinitRenderersWhileVideoTrackIsDisabled \
-  DISABLED_ReinitRenderersWhileVideoTrackIsDisabled
-#else
-#define MAYBE_ReinitRenderersWhileVideoTrackIsDisabled \
-  ReinitRenderersWhileVideoTrackIsDisabled
-#endif
+// The test is flaky, see https://crbug.com/788387.
 TEST_F(PipelineIntegrationTest,
-       MAYBE_ReinitRenderersWhileVideoTrackIsDisabled) {
+       DISABLED_ReinitRenderersWhileVideoTrackIsDisabled) {
   ASSERT_EQ(PIPELINE_OK, Start("bear-320x240.webm", kHashed));
   Play();