tree c217f4dd107ac8b4723be9030725026219e94b2f
parent 8b71dc3c7e57c2cbed47934c00bb440ac43f3832
author Robert Carr <racarr@google.com> 1490118089 -0700
committer Robert Carr <racarr@google.com> 1490215654 -0700

SurfaceFlinger: Inherit Alpha for child surfaces.

Necessary for various animations to work correctly and
for the general goal of treating child surfaces like
pixels in the parent surface.

Test: Includes new test in SurfaceFlinger_test
Bug: None yet ;)
Change-Id: Ic8309518bd327bbba6ad2f79f265e24cf37898e7