Pass peerHostname into checkServerTrusted
Pass peerHostname into checkServerTrusted

Avoid using getHostname() because it can fallback to a reverse DNS
lookup if peerHostname is not available.

Change-Id: Id89f04103b15a02afc349fb2f28d80aa95cefe35

google/conscrypt,google/conscrypt,google/conscrypt,google/conscrypt,google/conscrypt,google/conscrypt