Update AIDL IVibrator manifest version to 2. am: add7761be6 am: 720304b490

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1540633

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ie74722c276e6ded0ce60b79d444f7aabd57e4abf