display: Mark header modules as vendor

Change-Id: Iea70b19b2baf9827b3551b7ba16808fe89c48cf4
diff --git a/include/Android.mk b/include/Android.mk
index 6aacfb8..a72d5c3 100644
--- a/include/Android.mk
+++ b/include/Android.mk
@@ -2,6 +2,7 @@
 include $(LOCAL_PATH)/../common.mk
 include $(CLEAR_VARS)
 
+LOCAL_VENDOR_MODULE           := true
 LOCAL_COPY_HEADERS_TO         := $(common_header_export_path)
 LOCAL_COPY_HEADERS            := color_metadata.h
 
@@ -9,7 +10,8 @@
 
 include $(CLEAR_VARS)
 #TODO move all exported headers to this directory
-LOCAL_MODULE := display_headers
+LOCAL_MODULE                  := display_headers
+LOCAL_VENDOR_MODULE           := true
 LOCAL_EXPORT_C_INCLUDE_DIRS   := $(LOCAL_PATH) \
                                  $(display_top)/libcopybit \
                                  $(display_top)/libdrmutils \