Update grpc to 1.12

Signed-off-by: Derek McGowan <derek@mcgstyle.net>

vendor/google.golang.org/grpc/grpclog/grpclog.go

@@ -105,18 +105,21 @@ func Fatalln(args ...interface{}) {
 }
 
 // Print prints to the logger. Arguments are handled in the manner of fmt.Print.
+//
 // Deprecated: use Info.
 func Print(args ...interface{}) {
 	logger.Info(args...)
 }
 
 // Printf prints to the logger. Arguments are handled in the manner of fmt.Printf.
+//
 // Deprecated: use Infof.
 func Printf(format string, args ...interface{}) {
 	logger.Infof(format, args...)
 }
 
 // Println prints to the logger. Arguments are handled in the manner of fmt.Println.
+//
 // Deprecated: use Infoln.
 func Println(args ...interface{}) {
 	logger.Infoln(args...)

vendor/google.golang.org/grpc/grpclog/logger.go

@@ -19,6 +19,7 @@
 package grpclog
 
 // Logger mimics golang's standard Logger as an interface.
+//
 // Deprecated: use LoggerV2.
 type Logger interface {
 	Fatal(args ...interface{})
@@ -31,6 +32,7 @@ type Logger interface {
 
 // SetLogger sets the logger that is used in grpc. Call only from
 // init() functions.
+//
 // Deprecated: use SetLoggerV2.
 func SetLogger(l Logger) {
 	logger = &loggerWrapper{Logger: l}