Revert "Revert "SF: pass a render rate to VsyncTracker instead of a divisor""

This reverts commit 3d21d3afa1056efacf702b74449f9e2e7b5701f1.

Reason for revert: https://b.corp.google.com/issues/269561042#comment14

Bug: 269561042
Change-Id: Iae8d0e62be2eafb4278b64ffcb1524ece211a00c
10 files changed