This collect first set of metrics, related to game performance. In this
test post buffer time, ready time and latency time is collected.
See GraphicBufferMetrics.java for explanation.
Test: Manually on different devices.
Bug: 116859584
Change-Id: I85eae038363860287b796c593b5192f74231cb72
(cherry picked from commit 20045a43bcf8c8bbbbbb677b4f5d49ebe4ab63f6)
