Deprecate SyncRtSurfaceTransactionApplier in PiP

With ag/17326024, we could rely on the vsyncId to ensure the
transactions are applied to the same frame.

Deprecate also the getSfInstance usage in PiP.

Video: http://recall/-/aaaaaabFQoRHlzixHdtY/btl1YiAlB6TDYKAV4NUJQK
Bug: 222697646
Test: Basic move/touch/pinch works
Test: Repeatedly do pinch-resize-with-rotate and tap-to-show-menu
Change-Id: Ic3af2bd50dd91d63c036848c25c80c79401098f3