Merge "vibrator: turn off vibrator after testing ChangeVibrationAmplitude" am: 05eb1a279b am: fa0ac0f30c am: 70d2180d62

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2104024

Change-Id: I59fbc66a656ee9dd10f7996c61960055ee924efa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>