Allow uninstantiated WeaverTest am: 47b145a0d8

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2673336

Change-Id: I31d110aae45cc8f8d3a208ed4d3f7ae3f172071f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>