Merge "libbinder: update RpcState transact comments" am: 4d30a18e6f am: 9702b2dd3b am: e5bc37c83f

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

Change-Id: I03cbd15a40ff14522faff7002d556f56fec6369d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>