tree 6f16ecb74cfcf53cf1631ae1f972d18743b053f7
parent 7feb1a1f7d0526dc0518be1ee5068ef51a48e074
author Marissa Wall <marissaw@google.com> 1556053815 -0700
committer Marissa Wall <marissaw@google.com> 1556053815 -0700

ASurfaceControl: fix surface damage

There are two problems with surface control.
1) By merging the rects, the Region turned into 0,0,0,0 instead of
an or of the Rects.
2) In the case where an app intends to have a region of 0,0,0,0,
we should treat it the same as a region of 0,0,-1,-1.

Bug: 131175047
Test: ASurfaceControl
Change-Id: Ib2e3b90ac215e069d3d3c2eca81ff1013b4287aa