Close all floating views when animating to new screen for newly installed apps.

Bug: 64073932
Change-Id: I9253c38391af75ed44a057184144f6a3cee36e69
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 11e8c57..002dd1a 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -1976,6 +1976,8 @@
                     mWorkspace.postDelayed(new Runnable() {
                         public void run() {
                             if (mWorkspace != null) {
+                                AbstractFloatingView.closeAllOpenViews(Launcher.this, false);
+
                                 mWorkspace.snapToPage(newScreenIndex);
                                 mWorkspace.postDelayed(startBounceAnimRunnable,
                                         NEW_APPS_ANIMATION_DELAY);