Enable Proguard on Launcher2.
diff --git a/Android.mk b/Android.mk
index c1c408d..dda7f0c 100644
--- a/Android.mk
+++ b/Android.mk
@@ -27,6 +27,6 @@
 
 LOCAL_OVERRIDES_PACKAGES := Home
 
-LOCAL_PROGUARD_ENABLED := disabled
+LOCAL_PROGUARD_FLAGS := -include $(LOCAL_PATH)/proguard.flags
 
 include $(BUILD_PACKAGE)