DO NOT MERGE ANYWHERE libhwui: make setSurface asynchronous am: 80e6d8873b  -s ours am: 7b43f2af93  -s ours am: 40d2aa1edc  -s ours am: eae299874c  -s ours
am: 5e089ad195  -s ours

Change-Id: I0062bfb72567ae43dbf50a1127e22b2363cac9e1