Merge "Add a fake hwservicemanager for running w/o hwservicemanager" am: 644721c337 am: 10332b2d20

Original change: https://android-review.googlesource.com/c/platform/system/libhidl/+/2082458

Change-Id: Id88af9a0d5848ba89a7e0942c0eb581bb2e1f321
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>