Plumbing for getting FenceTracker timestamps

Change-Id: I1ebee9e42e28658bd3a2b161fdaabb7da756d8f3
diff --git a/include/gui/FrameTimestamps.h b/include/gui/FrameTimestamps.h
new file mode 100644
index 0000000..4dc7467
--- /dev/null
+++ b/include/gui/FrameTimestamps.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright 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.
+ */
+
+#ifndef ANDROID_GUI_FRAMETIMESTAMPS_H
+#define ANDROID_GUI_FRAMETIMESTAMPS_H
+
+#include <utils/Timers.h>
+#include <utils/Flattenable.h>
+
+namespace android {
+
+struct FrameTimestamps : public LightFlattenablePod<FrameTimestamps> {
+    FrameTimestamps() :
+        frameNumber(0),
+        postedTime(0),
+        acquireTime(0),
+        refreshStartTime(0),
+        glCompositionDoneTime(0),
+        displayRetireTime(0),
+        releaseTime(0) {}
+
+    uint64_t frameNumber;
+    nsecs_t postedTime;
+    nsecs_t acquireTime;
+    nsecs_t refreshStartTime;
+    nsecs_t glCompositionDoneTime;
+    nsecs_t displayRetireTime;
+    nsecs_t releaseTime;
+};
+
+} // namespace android
+#endif