Make.pkg, doc: Replace references to "-benchmarks" and "-match" with "-test.bench" and "-test.run".

R=r
CC=golang-dev
https://golang.org/cl/4197041

handshake_client_test.go

@@ -61,7 +61,7 @@ func TestRunClient(t *testing.T) {
 
 // Script of interaction with gnutls implementation.
 // The values for this test are obtained by building and running in client mode:
-//   % gotest -match "TestRunClient" -connect
+//   % gotest -test.run "TestRunClient" -connect
 // and then:
 //   % gnutls-serv -p 10443 --debug 100 --x509keyfile key.pem --x509certfile cert.pem -a > /tmp/log 2>&1
 //   % python parse-gnutls-cli-debug-log.py < /tmp/log

handshake_server_test.go

@@ -194,7 +194,7 @@ var testPrivateKey = &rsa.PrivateKey{
 
 // Script of interaction with gnutls implementation.
 // The values for this test are obtained by building and running in server mode:
-//   % gotest -match "TestRunServer" -serve
+//   % gotest -test.run "TestRunServer" -serve
 // and then:
 //   % gnutls-cli --insecure --debug 100 -p 10443 localhost > /tmp/log 2>&1
 //   % python parse-gnutls-cli-debug-log.py < /tmp/log