Vishnu Nair 126be5111f Add occlusion state for surface flinger trace
If composition state is not available, calculate the occlusion state otherwise
continue to use the visible region.

Bug: b/140854698
Test: open sf trace w/ & w/o composition state
Change-Id: I599fe9a4082af650e14fcd184d0204c1c3f29a95
2020-04-02 16:25:27 -07:00
2016-03-26 20:30:14 -07:00
2018-07-13 12:20:54 -07:00
2020-03-26 15:49:14 -07:00
2020-03-17 00:54:53 +00:00
2020-03-17 00:54:53 +00:00
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android_development
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