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

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I42b684ab7850dc950cc825edf2e89c63a1042a9b