Merge "RPC binder: expose session to per-client roots" am: 232cbe5f34 am: 68dfe21592

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2603309

Change-Id: If2b85ac03ce4b55fc162cc2d550487b9efffdfcb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>