tree ae74238bf7551873675c2f7d00496529e731a06e
parent 2d74fafdaf9a5adb74bb336a0052206da629feaa
author chaviw <chaviw@google.com> 1513124309 -0800
committer Jorim Jaggi <jjaggi@google.com> 1514386195 +0100

Set stack size and position and update children surface position.

Update the stack's size and position to represent the bounds. Then
update all children's positions so they are in the correct place within
the stack's bounds.

Test: Split screen, pip
Change-Id: I0372a8d20407ec35d1e8c0fc8165253f68d2f18f