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

This change was automatically created by advancing the Gantry workflow at:
https://releasetracker.partner.android.com/changes/e7cd0vi000001?build_unique_id=android_platform_windowing_frontend
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: Ic0aa9d67e3dd2925a0333e063c692f5ae373bdbd
Flag: com.android.window.flags.predictive_back_system_override_callback
Ignore-AOSP-First: AConfig change for future AOSP release
1 file changed