Revert "Enable small dirty detection for variable refresh rate"

Revert submission 24149209-enable-vrr-extension

Reason for revert: Bug: 299131033

Reverted changes: /q/submissionid:24149209-enable-vrr-extension

Change-Id: I9eb3fda4b994344b9125a6b6750cb38298a79db3
2 files changed