[automerge] Add a Vendor-dependent UCI Reason code for UWB OFF 2p: ff9268b13b

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/21683422

Bug: 267554906
Change-Id: Iaac1b79eb02ecc621b7423650abb2ef1e0bb9d2a