Explicitly allow BAL from notifications and status bar.

This does not change the current behavior, but makes sure future changes
to the BAL logic don't prevent starting PendingIntents of
non-privileged apps when the user explicitly expects this to happen.

Change-Id: I8dd530e9d81ddac554f8990e7a3c2dbd188d2704
Test: atest OpenAppFromNotificationWarm
Bug: b/244637991

packages/SystemUI/src/com/android/systemui/statusbar/phone/CentralSurfaces.java

@@ -122,6 +122,7 @@ public interface CentralSurfaces extends Dumpable, ActivityStarter, LifecycleOwn
         ActivityOptions options = getDefaultActivityOptions(animationAdapter);
         options.setLaunchDisplayId(displayId);
         options.setCallerDisplayId(displayId);
+        options.setPendingIntentBackgroundActivityLaunchAllowed(true);
         return options.toBundle();
     }
 
@@ -145,6 +146,7 @@ public interface CentralSurfaces extends Dumpable, ActivityStarter, LifecycleOwn
                 : ActivityOptions.SourceInfo.TYPE_NOTIFICATION, eventTime);
         options.setLaunchDisplayId(displayId);
         options.setCallerDisplayId(displayId);
+        options.setPendingIntentBackgroundActivityLaunchAllowed(true);
         return options.toBundle();
     }