Revert "Require FrameRateFlexibilityToken while testing refresh rate"

This reverts commit 613a181db1c41de633e3541173f985be2e9795e6.

Reason for revert: This change was never merged to master; aosp/2011697 is the fix that is merged on the internal branches

Change-Id: I91e18752575a4f1e7766e0f6a29c8ffb72faa868
Bug: 221137860
1 file changed