Merge "Freeze HIDL HALs for Android T." into tm-dev am: dced9190 am: 4cd6d232

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/17920389



Change-Id: I47f6330ff6c2f47ebcc508e158dffbfa3081068f
Ignore-AOSP-First: this is an automerge
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>