Merge changes from topic "tcp_keepalive_fix" am: eada640d5d am: a0038ffa9d

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1494039

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Idedfa2e8237109824683a9923079b02835c39acc