Allowing ListenerView intercept events in system areas

See the discussion in thje bug

Bug: 156044202
Change-Id: I68b3826602250ef163b96be95d80b98691456443
diff --git a/src/com/android/launcher3/AbstractFloatingView.java b/src/com/android/launcher3/AbstractFloatingView.java
index 1aa3144..572615f 100644
--- a/src/com/android/launcher3/AbstractFloatingView.java
+++ b/src/com/android/launcher3/AbstractFloatingView.java
@@ -257,4 +257,8 @@
             @FloatingViewType int type) {
         return getOpenView(activity, type);
     }
+
+    public boolean canInterceptEventsInSystemGestureRegion() {
+        return false;
+    }
 }