Merge "hidl2aidl: conversion of gatekeeper hidl to aidl" am: f35d1a765d am: 9ab2be3708 am: 80cb3880ce am: fd69f38d82

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2161817

Change-Id: I9686935cd58e29f780acdad011ed1e2e85aea427
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>