Don't overwrite in-use Weaver slots during VTS am: 86b90485 am: 48325db6 am: 7dd5fb08

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/24151703



Change-Id: I3504bc9c0e02a0606afa5b07238e4ba97050474c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>