Change NoHwServiceManager to return EMPTY instead of PASSTHROUGH am: adbf9a543f am: 487b966eb0 am: df6c1f5568 am: 6bae1b6481

Original change: https://android-review.googlesource.com/c/platform/system/libhidl/+/2617538

Change-Id: I852daa79af2189ebf15019188f3a8bf0da34e9de
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>