SF: Define mock::EventThread

This allows the unit tests to use a Mock for the normal EventThread
instance.

Test: Builds
Bug: None
Change-Id: I6f6853a33d0cd9af4548eb318b4564eb6c9af1e6
diff --git a/services/surfaceflinger/tests/unittests/MockEventThread.h b/services/surfaceflinger/tests/unittests/MockEventThread.h
new file mode 100644
index 0000000..e6ea663
--- /dev/null
+++ b/services/surfaceflinger/tests/unittests/MockEventThread.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2018 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 <gmock/gmock.h>
+
+#include "EventThread.h"
+
+namespace android {
+namespace mock {
+
+class EventThread : public android::EventThread {
+public:
+    EventThread();
+    ~EventThread() override;
+
+    MOCK_CONST_METHOD0(createEventConnection, sp<BnDisplayEventConnection>());
+    MOCK_METHOD0(onScreenReleased, void());
+    MOCK_METHOD0(onScreenAcquired, void());
+    MOCK_METHOD2(onHotplugReceived, void(int, bool));
+    MOCK_CONST_METHOD1(dump, void(String8&));
+    MOCK_METHOD1(setPhaseOffset, void(nsecs_t phaseOffset));
+};
+
+} // namespace mock
+} // namespace android