Bump dependencies to Kubernetes 1.20

vendor/google.golang.org/grpc/internal/syscall/syscall_linux.go

@@ -32,16 +32,18 @@ import (
 	"google.golang.org/grpc/grpclog"
 )
 
+var logger = grpclog.Component("core")
+
 // GetCPUTime returns the how much CPU time has passed since the start of this process.
 func GetCPUTime() int64 {
 	var ts unix.Timespec
 	if err := unix.ClockGettime(unix.CLOCK_PROCESS_CPUTIME_ID, &ts); err != nil {
-		grpclog.Fatal(err)
+		logger.Fatal(err)
 	}
 	return ts.Nano()
 }
 
-// Rusage is an alias for syscall.Rusage under linux non-appengine environment.
+// Rusage is an alias for syscall.Rusage under linux environment.
 type Rusage syscall.Rusage
 
 // GetRusage returns the resource usage of current process.

vendor/google.golang.org/grpc/internal/syscall/syscall_nonlinux.go

@@ -18,6 +18,8 @@
  *
  */
 
+// Package syscall provides functionalities that grpc uses to get low-level
+// operating system stats/info.
 package syscall
 
 import (
@@ -29,10 +31,11 @@ import (
 )
 
 var once sync.Once
+var logger = grpclog.Component("core")
 
 func log() {
 	once.Do(func() {
-		grpclog.Info("CPU time info is unavailable on non-linux or appengine environment.")
+		logger.Info("CPU time info is unavailable on non-linux or appengine environment.")
 	})
 }