Support per-port display configs in VTS

Bug: 277855934
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:be1b4d6ccec45f47bbb9459bf9aa31b4c6875c7b)
Merged-In: I92e1615d8eb9466b40e02f8e2df8b3432e927af6
Change-Id: I92e1615d8eb9466b40e02f8e2df8b3432e927af6
1 file changed