Commits
Lorenzo Colitti authored and Paul Stewart committed 2a3ca731582
DO NOT MERGE: Move PinningNetworkCallback out to a new NetworkPinner class. Cherry-picked from 531a34430072b9296aaeb47d9e7d04326a93fee4 Bug: 19159232 Change-Id: Ic366b53259ee5944a8e864876425a6558c0a7216