Remove flag perfetto.flags.use_lockfree_taskrunner from trunk_staging. This change was automatically created by rolling back a Gantry workflow. Bug: 441118768 Flag: perfetto.flags.use_lockfree_taskrunner Ignore-AOSP-First: AConfig change for future AOSP release Change-Id: I55ec7aad67f3719b86ed17fdfee741114ea405b9