[automerger skipped] Use customized toString for UUID in VTS am: 6f8224538e -s ours

am skip reason: Merged-In I561d68645f3f159b029135b0dfa66511a2800d72 with SHA-1 fb8f39452a is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/26802711

Change-Id: I19d39451c3939b17d1e9c660540a7ab603a992ce
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>