Update vendored library cloud.google.com/go

Gopkg.lock

@@ -4,18 +4,14 @@
 [[projects]]
   branch = "master"
   name = "bazil.org/fuse"
-  packages = [
-    ".",
-    "fs",
-    "fuseutil"
-  ]
+  packages = [".","fs","fuseutil"]
   revision = "371fbbdaa8987b715bdd21d6adc4c9b20155f748"
 
 [[projects]]
   name = "cloud.google.com/go"
   packages = ["compute/metadata"]
-  revision = "767c40d6a2e058483c25fa193e963a22da17236d"
-  version = "v0.18.0"
+  revision = "4b98a6370e36d7a85192e7bad08a4ebd82eac2a8"
+  version = "v0.20.0"
 
 [[projects]]
   name = "github.com/Azure/azure-sdk-for-go"
@@ -25,12 +21,7 @@
 
 [[projects]]
   name = "github.com/Azure/go-autorest"
-  packages = [
-    "autorest",
-    "autorest/adal",
-    "autorest/azure",
-    "autorest/date"
-  ]
+  packages = ["autorest","autorest/adal","autorest/azure","autorest/date"]
   revision = "c2a68353555b68de3ee8455a4fd3e890a0ac6d99"
   version = "v9.8.1"
 
@@ -96,12 +87,7 @@
 
 [[projects]]
   name = "github.com/kurin/blazer"
-  packages = [
-    "b2",
-    "base",
-    "internal/b2types",
-    "internal/blog"
-  ]
+  packages = ["b2","base","internal/b2types","internal/blog"]
   revision = "cd0304efa98725679cf68422cefa328d3d96f2f4"
   version = "v0.3.0"
 
@@ -112,15 +98,7 @@
 
 [[projects]]
   name = "github.com/minio/minio-go"
-  packages = [
-    ".",
-    "pkg/credentials",
-    "pkg/encrypt",
-    "pkg/policy",
-    "pkg/s3signer",
-    "pkg/s3utils",
-    "pkg/set"
-  ]
+  packages = [".","pkg/credentials","pkg/encrypt","pkg/policy","pkg/s3signer","pkg/s3utils","pkg/set"]
   revision = "14f1d472d115bac5ca4804094aa87484a72ced61"
   version = "4.0.6"
 
@@ -186,10 +164,7 @@
 
 [[projects]]
   name = "github.com/spf13/cobra"
-  packages = [
-    ".",
-    "doc"
-  ]
+  packages = [".","doc"]
   revision = "7b2c5ac9fc04fc5efafb60700713d4fa609b777b"
   version = "v0.0.1"
 
@@ -202,40 +177,19 @@
 [[projects]]
   branch = "master"
   name = "golang.org/x/crypto"
-  packages = [
-    "curve25519",
-    "ed25519",
-    "ed25519/internal/edwards25519",
-    "internal/chacha20",
-    "pbkdf2",
-    "poly1305",
-    "scrypt",
-    "ssh",
-    "ssh/terminal"
-  ]
+  packages = ["curve25519","ed25519","ed25519/internal/edwards25519","internal/chacha20","pbkdf2","poly1305","scrypt","ssh","ssh/terminal"]
   revision = "3d37316aaa6bd9929127ac9a527abf408178ea7b"
 
 [[projects]]
   branch = "master"
   name = "golang.org/x/net"
-  packages = [
-    "context",
-    "context/ctxhttp",
-    "idna",
-    "lex/httplex"
-  ]
+  packages = ["context","context/ctxhttp","idna","lex/httplex"]
   revision = "5ccada7d0a7ba9aeb5d3aca8d3501b4c2a509fec"
 
 [[projects]]
   branch = "master"
   name = "golang.org/x/oauth2"
-  packages = [
-    ".",
-    "google",
-    "internal",
-    "jws",
-    "jwt"
-  ]
+  packages = [".","google","internal","jws","jwt"]
   revision = "b28fcf2b08a19742b43084fb40ab78ac6c3d8067"
 
 [[projects]]
@@ -247,58 +201,24 @@
 [[projects]]
   branch = "master"
   name = "golang.org/x/sys"
-  packages = [
-    "unix",
-    "windows"
-  ]
+  packages = ["unix","windows"]
   revision = "af50095a40f9041b3b38960738837185c26e9419"
 
 [[projects]]
   branch = "master"
   name = "golang.org/x/text"
-  packages = [
-    "collate",
-    "collate/build",
-    "internal/colltab",
-    "internal/gen",
-    "internal/tag",
-    "internal/triegen",
-    "internal/ucd",
-    "language",
-    "secure/bidirule",
-    "transform",
-    "unicode/bidi",
-    "unicode/cldr",
-    "unicode/norm",
-    "unicode/rangetable"
-  ]
+  packages = ["collate","collate/build","internal/colltab","internal/gen","internal/tag","internal/triegen","internal/ucd","language","secure/bidirule","transform","unicode/bidi","unicode/cldr","unicode/norm","unicode/rangetable"]
   revision = "e19ae1496984b1c655b8044a65c0300a3c878dd3"
 
 [[projects]]
   branch = "master"
   name = "google.golang.org/api"
-  packages = [
-    "gensupport",
-    "googleapi",
-    "googleapi/internal/uritemplates",
-    "storage/v1"
-  ]
+  packages = ["gensupport","googleapi","googleapi/internal/uritemplates","storage/v1"]
   revision = "65b0d8655182691ad23b4fac11e6f7b897d9b634"
 
 [[projects]]
   name = "google.golang.org/appengine"
-  packages = [
-    ".",
-    "internal",
-    "internal/app_identity",
-    "internal/base",
-    "internal/datastore",
-    "internal/log",
-    "internal/modules",
-    "internal/remote_api",
-    "internal/urlfetch",
-    "urlfetch"
-  ]
+  packages = [".","internal","internal/app_identity","internal/base","internal/datastore","internal/log","internal/modules","internal/remote_api","internal/urlfetch","urlfetch"]
   revision = "150dc57a1b433e64154302bdc40b6bb8aefa313a"
   version = "v1.0.0"