Merge "libbinder: Add binderRpcTestService for Trusty" am: a754657354 am: 637054bcee am: 760147acdb

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2168913

Change-Id: I5ffd90aa7e59330711dc283ebcfb6c1e22a5d5d5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>