Merge "libbinder: RPC sockets - remove unnecessary SIGHUP" am: 3bb5fa61e0 am: 317cf4b296 am: 1888932b8e am: 3301b5b0b0

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1774255

Change-Id: Iff6628368f7bce34c1531ab0d0f6486197c58df8