Adding flag android.app.api_rich_ongoing to trunk_staging.

This change was automatically created by advancing the Gantry workflow at:
https://releasetracker.partner.android.com/changes/fieg7b2000001?build_unique_id=AndroidAppApiRichOngoingLaunch-platform
Do not edit this file manually or revert this change - use the Gantry workflow to manage the state of this flag.

Bug: 337261753
Change-Id: Id7947edd53768e4cdc4ee31c57a39e860c44910c
Flag: android.app.api_rich_ongoing
Ignore-AOSP-First: AConfig change for future AOSP release
1 file changed