Add retry in setProp test. am: 62fe882688 am: 4381d2445c

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2927410

Change-Id: If78eebbef8fece84d523ae37c9d012ebae1fa2e8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>