omni: fix overlay package build

Change-Id: I92b111e79196f072594c5f71a6895771c6378e3c
diff --git a/google/Android.mk b/google/Android.mk
index 389e8be..20bfbaf 100644
--- a/google/Android.mk
+++ b/google/Android.mk
@@ -25,4 +25,4 @@
 # if some modules are built directly from this directory (not subdirectories),
 # their rules should be written here.
 
-#include $(call all-makefiles-under,$(LOCAL_PATH))
+include $(call all-makefiles-under,$(LOCAL_PATH))