Merge "libbinder: Move BinderRpc test fixture to new file" am: 2fc62998fe am: 4c65356ad7 am: 4045a956c1

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2254108

Change-Id: I0044960c0a276483f4382acc97d21e1de58977eb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>