modules: tidy

This CL was generated by running `go mod tidy`.

Change-Id: I15e25cd86d8fc0d054099b846192e0fa9b0d1bb2
Reviewed-on: https://code-review.googlesource.com/c/gocloud/+/43890
Reviewed-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Alex Hong <hongalex@google.com>

go.mod

@@ -3,6 +3,7 @@ module cloud.google.com/go
 go 1.9
 
 require (
+	cloud.google.com/go/datastore v1.0.0
 	github.com/golang/mock v1.3.1
 	github.com/golang/protobuf v1.3.2
 	github.com/google/btree v1.0.0
@@ -17,12 +18,10 @@ require (
 	golang.org/x/net v0.0.0-20190620200207-3b0461eec859
 	golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45
 	golang.org/x/sync v0.0.0-20190423024810-112230192c58
-	golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0 // indirect
 	golang.org/x/text v0.3.2
 	golang.org/x/time v0.0.0-20190308202827-9d24e82272b4
 	golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0
 	google.golang.org/api v0.8.0
-	google.golang.org/appengine v1.6.1 // indirect
 	google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64
 	google.golang.org/grpc v1.21.1
 	honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a

go.sum

@@ -1,6 +1,9 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go/datastore v1.0.0 h1:Kt+gOPPp2LEPWp8CSfxhsM8ik9CcyE/gYu+0r+RnZvM=
+cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
@@ -119,6 +122,7 @@ golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgw
 golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0 h1:Dh6fw+p6FyRl5x/FvNswO1ji0lIGzm3KP8Y9VkS9PTE=
 golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
+google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
 google.golang.org/api v0.8.0 h1:VGGbLNyPF7dvYHhcUGYBBGCRDDK0RRJAI6KCvo0CL+E=
 google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=