Move hidl shims to the vendor partition. (2/2)

We need google shims on the vendor partition because they are providing
an implementation of a vendor defined interface. They were written by
google just as a courtesy/to make the transition easier. They're
basically a set for vendors to assemble their hal implementations
from.

Bug: 34135607
Test: marlin persist.hal.binderization on/off
Change-Id: I2e2af5af39264cf290259755bb9b2eb9827a21f5
diff --git a/automotive/vehicle/2.0/default/Android.mk b/automotive/vehicle/2.0/default/Android.mk
index e822044..c394f2e 100644
--- a/automotive/vehicle/2.0/default/Android.mk
+++ b/automotive/vehicle/2.0/default/Android.mk
@@ -125,6 +125,7 @@
 include $(CLEAR_VARS)
 LOCAL_MODULE := $(module_prefix)-service
 LOCAL_INIT_RC := $(module_prefix)-service.rc
+LOCAL_PROPRIETARY_MODULE := true
 LOCAL_MODULE_RELATIVE_PATH := hw
 
 LOCAL_SRC_FILES := \