Adds the new dismiss target, with fling/magnet to dismiss.

Test: atest SystemUITests
Bug: 123541855
Change-Id: Id2a149f8551eb58b240ece35569ca394c06e811d
diff --git a/packages/SystemUI/src/com/android/systemui/bubbles/BubbleController.java b/packages/SystemUI/src/com/android/systemui/bubbles/BubbleController.java
index 2d0944a..48edf67 100644
--- a/packages/SystemUI/src/com/android/systemui/bubbles/BubbleController.java
+++ b/packages/SystemUI/src/com/android/systemui/bubbles/BubbleController.java
@@ -108,7 +108,7 @@
     static final int DISMISS_ACCESSIBILITY_ACTION = 6;
     static final int DISMISS_NO_LONGER_BUBBLE = 7;
 
-    static final int MAX_BUBBLES = 5; // TODO: actually enforce this
+    public static final int MAX_BUBBLES = 5; // TODO: actually enforce this
 
     // Enables some subset of notifs to automatically become bubbles
     private static final boolean DEBUG_ENABLE_AUTO_BUBBLE = false;