Adding flag android.security.aapm_api to trunk_staging.

This change was automatically created by advancing the Gantry workflow at:
https://releasetracker.partner.android.com/changes/2v7a5ri000001?build_unique_id=android_platform_responsible_apis
Do not edit this file manually or revert this change - use the Gantry workflow to manage the state of this flag.

Bug: 352420507
Change-Id: I3d65624bdff7b7e5e7e68cc577e182cecf596348
Flag: android.security.aapm_api
Ignore-AOSP-First: AConfig change for future AOSP release