omni: omnify the overlay stub

just add a simple omni theme for now

Change-Id: I3e5c4c36253f2a8cf8a74e493e5d269a70a4c40a
diff --git a/overlaystub/Android.mk b/overlaystub/Android.mk
index a201e08..b17341e 100644
--- a/overlaystub/Android.mk
+++ b/overlaystub/Android.mk
@@ -3,7 +3,7 @@
 
 LOCAL_MODULE_TAGS := optional
 
-LOCAL_PACKAGE_NAME := StatixOverlayStub
+LOCAL_PACKAGE_NAME := OmniOverlayStub
 LOCAL_SDK_VERSION := current
 LOCAL_CERTIFICATE := platform
 LOCAL_PRIVILEGED_MODULE := false