Update AIDL identity manifest version to 2. am: af89f5efca am: 87f34dc550 am: 54bf4ca7da

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1540631

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: If6c90fe1ac0bfda4034a2b53f15894ee369dcb62