Merge "Freeze HIDL HALs for Android T." into tm-dev am: dced9190 am: 4cd6d232 am: e5210f33

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



Change-Id: Ib375866f38b095de091eee244573594bce25bf69
Ignore-AOSP-First: this is an automerge
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>