Create subdir for cc rules.

Test: mixed_libc.sh
Change-Id: I7f43f283f40ad6236dcedfccae175a007ea252d2
diff --git a/cc/object.go b/cc/object.go
index 24f6ed4..fdd0b11 100644
--- a/cc/object.go
+++ b/cc/object.go
@@ -195,7 +195,7 @@
 
 	props := bazel.BazelTargetModuleProperties{
 		Rule_class:        "cc_object",
-		Bzl_load_location: "//build/bazel/rules:cc_object.bzl",
+		Bzl_load_location: "//build/bazel/rules/cc:cc_object.bzl",
 	}
 
 	ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: m.Name()}, attrs)