Add VENDOR_PRODUCT_RESTRICT_VENDOR_FILES

Allow exceptions specified by module (VENDOR_EXCEPTION_MODULES) and
path (VENDOR_EXCEPTION_PATHS, not including leading vendor/).

BUG=26968426

Change-Id: I068e43f3eae14f8793c33ae916d46979ab1681d1
diff --git a/core/product.mk b/core/product.mk
index 4f780f9..8f3fcb8 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -121,6 +121,10 @@
     PRODUCT_DEX_PREOPT_DEFAULT_FLAGS \
     PRODUCT_DEX_PREOPT_BOOT_FLAGS \
     PRODUCT_SHIPPING_API_LEVEL \
+    VENDOR_PRODUCT_RESTRICT_VENDOR_FILES \
+    VENDOR_EXCEPTION_MODULES \
+    VENDOR_EXCEPTION_PATHS \
+
 
 define dump-product
 $(info ==== $(1) ====)\