Adding flag android.hardware.devicestate.feature.flags.device_state_rdm_v2 to trunk_staging.

This change was automatically created by advancing the Gantry workflow at:
https://releasetracker.partner.android.com/changes/d17550a000001?build_unique_id=android_platform_windowing_sdk
Do not edit this file manually or revert this change - use the Gantry workflow to manage the state of this flag.

Bug: 372486634
Change-Id: I56782538b64b7a971bac1a3d9cc0b8fd81bf651a
Flag: android.hardware.devicestate.feature.flags.device_state_rdm_v2
Ignore-AOSP-First: AConfig change for future AOSP release