Merge "binderRpcTest: conditional experimental protocol" into main am: c699f8ff06

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2794512

Change-Id: I1da1e1ddcfb573b74fd6315dbd0f25ebdebbaf41
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>