Advance RELEASE_LIBBINDER_BINDER_OBSERVER to true in trunk_staging This commit was automatically created by a workflow in Gantry: https://releasetracker.partner.android.com/changes/8f4jdgq000001?stage_id=98rjbdq000001 Flag: RELEASE_LIBBINDER_BINDER_OBSERVER Ignore-AOSP-First: Flag change added internally for future AOSP release Workflow-User: miloslav@google.com Bug: 407694522 Change-Id: Ie59ac02dd54034bb6482f6ee86e5950f7ee0960e