Allow proto properties in cc/java_defaults

Test: Add proto.canonical_path_from_root: true in a cc_defaults
Test: Add proto.canonical_path_from_root: true in a java_defaults
Change-Id: I9ddfc8af0025705a34b6e487225f1f98915054c3
diff --git a/cc/cc.go b/cc/cc.go
index ebc98ac..4d26e84 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -1423,6 +1423,7 @@
 		&VndkProperties{},
 		&LTOProperties{},
 		&PgoProperties{},
+		&android.ProtoProperties{},
 	)
 
 	android.InitDefaultsModule(module)