Fixing issue where icons can't be clicked during launcher transition.

- Also tweaking the workspace fade in/out interpolators

Change-Id: I65d1aefbead13f662c84a2f1178c73615153fd5a
diff --git a/src/com/android/launcher2/Launcher.java b/src/com/android/launcher2/Launcher.java
index c8e7e32..bd8fd8a 100644
--- a/src/com/android/launcher2/Launcher.java
+++ b/src/com/android/launcher2/Launcher.java
@@ -1731,7 +1731,7 @@
             return;
         }
 
-        if (mWorkspace.isSwitchingState()) {
+        if (!mWorkspace.isFinishedSwitchingState()) {
             return;
         }