C2BqPool: Expire waiters on Surface switching

Wake up and expire C2Fence waiters for the old Surface when the Surface
is switched to a new Surface.

Bug: 235330851
Change-Id: I8f0a9adace5f53fe7f47179b425bb899abcec64f
Merged-In: I8f0a9adace5f53fe7f47179b425bb899abcec64f