Merge "libbinder_ndk: clarify error prune functions" am: 4447b46bb4 am: 8b3df297e8 am: 7c424fb3b0

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1416528

Change-Id: I2e3771eb0ada0d15ba4c626cd34246da22952b68