Add basic logs for tap outside action.

Change-Id: I6288610b9870c3abe88794c53309b1d76dd2780f
diff --git a/src/com/android/launcher3/AbstractFloatingView.java b/src/com/android/launcher3/AbstractFloatingView.java
index c834c6b..52a83dc 100644
--- a/src/com/android/launcher3/AbstractFloatingView.java
+++ b/src/com/android/launcher3/AbstractFloatingView.java
@@ -121,4 +121,6 @@
     public static AbstractFloatingView getTopOpenView(Launcher launcher) {
         return getOpenView(launcher, TYPE_FOLDER | TYPE_POPUP_CONTAINER_WITH_ARROW);
     }
+
+    public abstract int getLogContainerType();
 }