Remove flag com.android.graphics.surfaceflinger.flags.deprecate_vsync_sf from trunk_staging.

This change was automatically created by rolling back a Gantry workflow.

Bug: 162235855
Flag: com.android.graphics.surfaceflinger.flags.deprecate_vsync_sf
Ignore-AOSP-First: AConfig change for future AOSP release
Change-Id: Idf1227fa7329738251457b6821cc0dcfa10f3eed
1 file changed