Removing flag android.view.contentcapture.flags.post_create_android_bg_thread from trunk_staging. This change was automatically created by rolling back a Gantry workflow. Bug: 376468525 Change-Id: I9759ca7ee523247707fb1f8679255f511add3aff Flag: android.view.contentcapture.flags.post_create_android_bg_thread Ignore-AOSP-First: AConfig change for future AOSP release