[automerger skipped] SF: Remove unused property of test DisplayVariant am: e80bd31e -s ours

am skip reason: Merged-In If5f4a7b44812a6a9b2fcc5ba423de14596b717f2 with SHA-1 36cface1 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/21482284



Change-Id: I5c281250306a5c5bc80b4ef6d05279d253e124a3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>