Read VSR level from correct property. am: 35db349596

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

Change-Id: I856ff506c20cbfe2f926f5f5e737426524e055bc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>