Disable GpuInitializationAndRunningTasks on TSan

It was flaky on TSan bot.

TBR=zmo@chromium.org

No-Try: true
Bug: 1030130
Change-Id: I3dbbe2f8e3559609bc1bac8e6504417c2a2c1b11
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1947866Reviewed-by: Makoto Shimazu <shimazu@chromium.org>
Commit-Queue: Makoto Shimazu <shimazu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#720815}

gpu/ipc/service/gpu_watchdog_thread_unittest.cc

@@ -159,7 +159,15 @@ TEST_F(GpuWatchdogTest, GpuInitializationHang) {
 }
 
 // Normal GPU Initialization and Running Task
-TEST_F(GpuWatchdogTest, GpuInitializationAndRunningTasks) {
+//
+// Disabled on TSan due to flakiness: https://crbug.com/1030130.
+#if defined(THREAD_SANITIZER)
+#define MAYBE_GpuInitializationAndRunningTasks \
+  DISABLED_GpuInitializationAndRunningTasks
+#else
+#define MAYBE_GpuInitializationAndRunningTasks GpuInitializationAndRunningTasks
+#endif
+TEST_F(GpuWatchdogTest, MAYBE_GpuInitializationAndRunningTasks) {
   // Assume GPU initialization takes 300 milliseconds.
   SimpleTask(base::TimeDelta::FromMilliseconds(300));
   watchdog_thread_->OnInitComplete();