Merge pull request #70929 from mikedanese/cmp

migrate everything to unify diff.Diff method using cmp

Kubernetes-commit: 1ae09a371faccfc193f9b8d82a9ef77bf3e7fb14

Godeps/Godeps.json

@@ -58,6 +58,10 @@
 			"ImportPath": "github.com/google/btree",
 			"Rev": "7d79101e329e"
 		},
+		{
+			"ImportPath": "github.com/google/go-cmp",
+			"Rev": "v0.3.0"
+		},
 		{
 			"ImportPath": "github.com/google/gofuzz",
 			"Rev": "24818f796faf"
@@ -212,15 +216,15 @@
 		},
 		{
 			"ImportPath": "k8s.io/api",
-			"Rev": "e63b5755afac"
+			"Rev": "db5a9d1c40eb"
 		},
 		{
 			"ImportPath": "k8s.io/apimachinery",
-			"Rev": "ad85901afca0"
+			"Rev": "b74e4c97951f"
 		},
 		{
 			"ImportPath": "k8s.io/client-go",
-			"Rev": "c6f3777976ad"
+			"Rev": "78e94f51a042"
 		},
 		{
 			"ImportPath": "k8s.io/code-generator",