Read VSR level from correct property. am: 35db349596 am: 4e97ec021e

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2128833

Change-Id: Ibd849ae5d7e2e40072f68e1f49446fe558fdf6a9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>