Support per-port display configs in VTS am: 821d5c05c2

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/24169145

Change-Id: I4fe99cb07cf870b8e0838e2830496223356ce61b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>