Merge "libbinder: update RpcState transact comments" am: 4d30a18e6f

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2457066

Change-Id: Ibde40a0e2f7092c06873b7df95dadc78ac735fce
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>