Remove flag com.android.bluetooth.flags.gatt_thread from trunk_staging. This change was automatically created by rolling back a Gantry workflow. Bug: 449681465 Flag: com.android.bluetooth.flags.gatt_thread Ignore-AOSP-First: AConfig change for future AOSP release Change-Id: I9ce075097cc17db3829616f11ec41e91a2708f5d