Fixing issue with wrong bounds being reported in StackInfo.

Bug: 34696293
Test: Launch overview from any app
Change-Id: I99a33b3abc9aea54ff12bf2d37a54aeefcdd535e

services/core/java/com/android/server/am/ActivityStack.java

@@ -557,6 +557,7 @@ final class ActivityStack extends ConfigurationContainer implements StackWindowL
     void getWindowContainerBounds(Rect outBounds) {
         if (mWindowContainerController != null) {
             mWindowContainerController.getBounds(outBounds);
+            return;
         }
         outBounds.setEmpty();
     }