Update pixel-display V6 interface am: 5b1570548c

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/google/interfaces/+/18444628

Change-Id: I7a01c625fb770f167422208301cd1330ac3517e1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>