Merge "Add a missing NULL check for postActivityStartTokenRemoval()" am: 5fea1d9a01

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1593831

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I8860761993c9a4b9ebb45c8d3f54d58b205926e4

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

@@ -809,7 +809,8 @@ public final class BroadcastQueue {
                         r.resultExtras, r.ordered, r.initialSticky, r.userId);
                 // parallel broadcasts are fire-and-forget, not bookended by a call to
                 // finishReceiverLocked(), so we manage their activity-start token here
-                if (r.allowBackgroundActivityStarts && !r.ordered) {
+                if (filter.receiverList.app != null
+                        && r.allowBackgroundActivityStarts && !r.ordered) {
                     postActivityStartTokenRemoval(filter.receiverList.app, r);
                 }
             }