Add gmock to hwui library

Change-Id: I1dec4cd234e5ee8bb01140b969d0cf817a849047
diff --git a/libs/hwui/debug/DefaultGlesDriver.h b/libs/hwui/debug/DefaultGlesDriver.h
new file mode 100644
index 0000000..3eab970
--- /dev/null
+++ b/libs/hwui/debug/DefaultGlesDriver.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "GlesDriver.h"
+
+namespace android {
+namespace uirenderer {
+namespace debug {
+
+class DefaultGlesDriver : public GlesDriver {
+public:
+#define GL_ENTRY(ret, api, ...) virtual ret api##_(__VA_ARGS__) override;
+    #include "gles_decls.in"
+#undef GL_ENTRY
+
+};
+
+} // namespace debug
+} // namespace uirenderer
+} // namespace android