tree c8bfa5c2ffffa31c3b358815b319216206c53494
parent 303f84faa40ab22a5016633ca33a940a1b02d982
author Jorim Jaggi <jjaggi@google.com> 1514558496 +0100
committer Jorim Jaggi <jjaggi@google.com> 1514558496 +0100

Fix flicker with "trampoline" activities

WC.mSurfaceControl starts hidden, but gets immediately shown
in onParentSet. Reflect that in mLastSurfaceShowing in
AppWindowToken such that it gets hidden immediately again while
preparing the first frame.

Test: Go to settings -> Add account, observe no flicker in the
status bar
Test: go/wm-smoke

Change-Id: I6493e75fcac31784662ebcb0e24a4e5c698ed337