Merge "Reduce flakiness of testDisplayRotationChange" into main
diff --git a/services/tests/wmtests/src/com/android/server/wm/TransitionTests.java b/services/tests/wmtests/src/com/android/server/wm/TransitionTests.java
index 75716b9..241f7d8 100644
--- a/services/tests/wmtests/src/com/android/server/wm/TransitionTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/TransitionTests.java
@@ -1081,6 +1081,7 @@
         makeWindowVisible(windows);
         mDisplayContent.getDisplayPolicy().addWindowLw(statusBar, statusBar.mAttrs);
         mDisplayContent.getDisplayPolicy().addWindowLw(navBar, navBar.mAttrs);
+        mDisplayContent.mTransitionController.setSyncEngine(createTestBLASTSyncEngine());
         final TestTransitionPlayer player = registerTestTransitionPlayer();
 
         mDisplayContent.getDisplayRotation().setRotation(mDisplayContent.getRotation() + 1);