Set that bubbles have background launch permission too

Without this bit the background launch gets blocked for some reason.

Test: manual - open signal bubble from notification
Bug: 270058419
Change-Id: Ieea1fd199a4c5313525747c9d836f3851f61b6ac

libs/WindowManager/Shell/src/com/android/wm/shell/bubbles/BubbleExpandedView.java

@@ -229,6 +229,7 @@ public class BubbleExpandedView extends LinearLayout {
                     options.setLaunchedFromBubble(true);
                     options.setPendingIntentBackgroundActivityStartMode(
                             MODE_BACKGROUND_ACTIVITY_START_ALLOWED);
+                    options.setPendingIntentBackgroundActivityLaunchAllowedByPermission(true);
 
                     Intent fillInIntent = new Intent();
                     // Apply flags to make behaviour match documentLaunchMode=always.