Resync on the transaction.

Currently only Choreographer requestNextVsync will resync otherwise.
Scheduler::resync already checks to make sure resync won't happen too
frequently (750 ms currently).

Bug: 266128330
Test: see b/380398647 and its child bugs
Flag: EXEMPT bugfix
Change-Id: Id3c0fc6a62b45262f4338f8154ad2fa8c0c16a05
(cherry picked from commit a5be328a)