omni: disable unbuildable packages and update overlays

all overlays are now in product
disable header and primary in overlaystub
add IconShapeCircleOverlay here since google removed it

Change-Id: Ib1ae9fadc6f2ea3db3ab22513cb6ce5326b2ddba
diff --git a/themes/overlays/FontLatoSourceOverlay/Android.mk b/themes/overlays/FontLatoSourceOverlay/Android.mk
index 6656b34..9cde9fc 100644
--- a/themes/overlays/FontLatoSourceOverlay/Android.mk
+++ b/themes/overlays/FontLatoSourceOverlay/Android.mk
@@ -19,7 +19,7 @@
 
 LOCAL_RRO_THEME := FontLatoSource
 
-LOCAL_SRC_FILES := $(call all-subdir-java-files)
+LOCAL_PRODUCT_MODULE := true
 
 LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res