To ensure we still have a HIDL vibrator service around for testing.
This is from running command:
git checkout 714220ef75707d826371c6c020c45663d6965f0c^ -- \
vibrator/1.3/example
Bug: 141828236
Test: N/A
Change-Id: Iffd5c8d4b95466f1b7b277c9f69d9a6001f12db8