Remove flag android.os.force_concurrent_message_queue from trunk_staging.

This change was automatically created by rolling back a Gantry workflow.

Bug: 336880969
Flag: android.os.force_concurrent_message_queue
Ignore-AOSP-First: AConfig change for future AOSP release
Change-Id: I09188cca1b006f5e2aa506a3aa6f7da304511475
1 file changed