Add flag com.android.appsearch.flags.enable_result_unavailable to trunk_staging. This change was automatically created by advancing the Gantry workflow at: https://releasetracker.partner.android.com/changes/dm9p6uq000001?build_unique_id=com.android.appsearch.flags.enable_result_unavailable-platform Do not edit this file manually or revert this change - use the Gantry workflow to manage the state of this flag. Bug: 404210068 Flag: com.android.appsearch.flags.enable_result_unavailable Ignore-AOSP-First: AConfig change for future AOSP release Change-Id: I5a5abaec7029d0587b7a38896a465390d5bd1812