Add flag com.android.bluetooth.flags.rfcomm_fix_mux_collision_handling to trunk_staging. This change was automatically created by advancing the Gantry workflow at: https://releasetracker.partner.android.com/changes/ai0hcta000001?build_unique_id=ComAndroidBluetoothFlagsRfcommFixMuxCollisionHandlingLaunch-platform Do not edit this file manually or revert this change - use the Gantry workflow to manage the state of this flag. Bug: 399420482 Flag: com.android.bluetooth.flags.rfcomm_fix_mux_collision_handling Ignore-AOSP-First: AConfig change for future AOSP release Change-Id: I06c1efc7cdb6966d95ce75ce8464aaefdce790b6