Create subdir for cc rules.

Test: mixed_libc.sh
Change-Id: I7f43f283f40ad6236dcedfccae175a007ea252d2
diff --git a/cc/prebuilt.go b/cc/prebuilt.go
index c928ed9..339a16d 100644
--- a/cc/prebuilt.go
+++ b/cc/prebuilt.go
@@ -339,7 +339,7 @@
 
 	props := bazel.BazelTargetModuleProperties{
 		Rule_class:        "prebuilt_library_static",
-		Bzl_load_location: "//build/bazel/rules:prebuilt_library_static.bzl",
+		Bzl_load_location: "//build/bazel/rules/cc:prebuilt_library_static.bzl",
 	}
 
 	name := android.RemoveOptionalPrebuiltPrefix(module.Name())
@@ -359,7 +359,7 @@
 
 	props := bazel.BazelTargetModuleProperties{
 		Rule_class:        "prebuilt_library_shared",
-		Bzl_load_location: "//build/bazel/rules:prebuilt_library_shared.bzl",
+		Bzl_load_location: "//build/bazel/rules/cc:prebuilt_library_shared.bzl",
 	}
 
 	name := android.RemoveOptionalPrebuiltPrefix(module.Name())