Adding flag com.android.server.notification.use_ssm_user_switch_signal to trunk_staging.

This change was automatically created by advancing the Gantry workflow at:
https://releasetracker.partner.android.com/changes/f68dh92000001?build_unique_id=Frontend:+android_platform_systemui,+Study:+ComAndroidServerNotificationUseSsmUserSwitchSignalLaunch
Do not edit this file manually or revert this change - use the Gantry workflow to manage the state of this flag.

Bug: 337077643
Change-Id: I5cc61230fea9efbe37a6db472a787a12ec4d1f51
Flag: com.android.server.notification.use_ssm_user_switch_signal
Ignore-AOSP-First: AConfig change for future AOSP release
2 files changed