Annotate flaky test vibrate_multipleSyncedCallbackTriggered_finishSteps

Bug: 293841143
Change-Id: I2ebc33056ce07cb5e5f393311b786325776fa85d
Test: VibrationThreadTest

services/tests/vibrator/src/com/android/server/vibrator/VibrationThreadTest.java

@@ -1005,6 +1005,7 @@ public class VibrationThreadTest {
                 mVibratorProviders.get(3).getEffectSegments(vibrationId));
     }
 
+    @FlakyTest
     @Test
     public void vibrate_multipleSyncedCallbackTriggered_finishSteps() throws Exception {
         int[] vibratorIds = new int[]{1, 2};