Allow uninstantiated WeaverTest am: 47b145a0d8 am: 72a081189b am: 3917ddec7d

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

Change-Id: Ibb8eaa46ec925ebe38e35923666e120d133ed1a8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>