Merge SV transactions to VRI BlastBufferQueue

Currently SV with blast sync requests a sync transaction from VRI and
merges its transactions with VRI's sync transaction. This can break if
we are not able to set the request in time.

Instead this change will merge SV transaction from the renderthread to
the VRI BlastBufferQueue specifying the framenumber which the
transaction should be merged with. The transaction will be queued until
we submit a VRI buffer with the requested frame number.

Test: open bubbles with sv blast
Test: atest SurfaceViewSyncTest
Bug: 175594838
Change-Id: I87ba346d782f615bab2e8a692adb2b3c49ef4021