Finish EditWidgetsActivity when stopped.

This changelist finishes the EditWidgetActivity when stopped and not
waiting for result from another activity.

Test: atest EditWidgetsActivityControllerTest
Fixes: 354725145
Flag: com.android.systemui.communal_edit_widgets_activity_finish_fix
Change-Id: I47d39608e03afb1ad1227a39bd19cfd232527610
diff --git a/packages/SystemUI/aconfig/systemui.aconfig b/packages/SystemUI/aconfig/systemui.aconfig
index 0b364ac..631af74 100644
--- a/packages/SystemUI/aconfig/systemui.aconfig
+++ b/packages/SystemUI/aconfig/systemui.aconfig
@@ -1032,6 +1032,16 @@
 }
 
 flag {
+  name: "communal_edit_widgets_activity_finish_fix"
+  namespace: "systemui"
+  description: "finish edit widgets activity when stopping"
+  bug: "354725145"
+  metadata {
+    purpose: PURPOSE_BUGFIX
+  }
+}
+
+flag {
   name: "app_clips_backlinks"
   namespace: "systemui"
   description: "Enables Backlinks improvement feature in App Clips"