Do not create extend surface for transfer starting window change.
There could transfer starting window when launch a trampoline activity, and the trampoline activity could be removed before it add a window. So a possible sequence would be: 1. Activity A start a trampoline activity B, and transfer the starting window to B. 2. B finish itself before add window, so the starting window transfer back to A. And there will create a close transition when finish B, but actually this activity never draw anything on it. So if there attemp to create an edge extend surface for it, that thread would be stuck in Surface.unlockAndPost because nothing will draw. Note: Not sure if above reasoning is correct, but in any case, it should be reasonable to not need to prepare edge extend surface for the surface which could never been drawn. Bug: 244260394 Test: atest ActivityLifecycleTests --rerun-until-failure 10 Change-Id: I31a36398bec86cb439396ad93108487cd6479139
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