am 56a9f3ac: Merge "I am such an idiot." into lmp-dev

* commit '56a9f3ac269c723895948bf524fe378a9afc6636':
  I am such an idiot.
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 04e1817..993b995 100755
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -18965,6 +18965,7 @@
                 }
                 if (tr.getRootActivity() != null) {
                     moveTaskToFrontLocked(tr.taskId, 0, null);
+                    return;
                 }
             }