Merge "Adding check for recents interface before calling back" into udc-dev am: b793def6ab

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/22359823

Change-Id: Ibeca34c6cf8dfed4f88588bfe83c37e4f2473f85
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

quickstep/src/com/android/quickstep/SystemUiProxy.java

@@ -1117,6 +1117,9 @@ public class SystemUiProxy implements ISystemUiProxy {
      */
     public boolean startRecentsActivity(Intent intent, ActivityOptions options,
             RecentsAnimationListener listener) {
+        if (mRecentTasks == null) {
+            return false;
+        }
         final IRecentsAnimationRunner runner = new IRecentsAnimationRunner.Stub() {
             @Override
             public void onAnimationStart(IRecentsAnimationController controller,