Refactoring to single path for overview mode.

Change-Id: I590a813c6f031342d75c3a6c3e9c9afda1808f2e
diff --git a/src/com/android/launcher3/LauncherClings.java b/src/com/android/launcher3/LauncherClings.java
index 2ce8b1c..a2c56a9 100644
--- a/src/com/android/launcher3/LauncherClings.java
+++ b/src/com/android/launcher3/LauncherClings.java
@@ -126,7 +126,7 @@
 
             @Override
             public boolean onLongClick(View v) {
-                mLauncher.getWorkspace().enterOverviewMode();
+                mLauncher.showOverviewMode(true);
                 dismissLongPressCling();
                 return true;
             }