Merge "libbinder_ndk: clarify error prune functions" am: 4447b46b am:...

Merge "libbinder_ndk: clarify error prune functions" am: 4447b46b am: 8b3df297 am: 7c424fb3 am: 1fc3167c

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

Change-Id: I8c51b3ab95fcc5fa984cc1f96452961b581d578b