Adding flag com.android.window.flags.predictive_back_timestamp_api to trunk_staging.

This change was automatically created by advancing the Gantry workflow at:
https://releasetracker.partner.android.com/changes/dbft7bi000001?build_unique_id=android_platform_systemui
Do not edit this file manually or revert this change - use the Gantry workflow to manage the state of this flag.

Bug: 362938401
Change-Id: I543a47bf5d73babe2abf27e05fab8900551bc959
Flag: com.android.window.flags.predictive_back_timestamp_api
Ignore-AOSP-First: AConfig change for future AOSP release
1 file changed