Bump provider SDK to v1.7.0 (#777)

Author: alexsomesan

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/googleapis/gnostic v0.2.0 // indirect
 	github.com/gophercloud/gophercloud v0.3.1-0.20190807175045-25a84d593c97 // indirect
 	github.com/hashicorp/go-version v1.2.0
-	github.com/hashicorp/terraform-plugin-sdk v1.4.1
+	github.com/hashicorp/terraform-plugin-sdk v1.7.0
 	github.com/hashicorp/vault v1.1.2 // indirect
 	github.com/imdario/mergo v0.3.7 // indirect
 	github.com/keybase/go-crypto v0.0.0-20190416182011-b785b22cc757 // indirect

go.sum

@@ -307,10 +307,16 @@ github.com/hashicorp/terraform-config-inspect v0.0.0-20190821133035-82a99dc22ef4
 github.com/hashicorp/terraform-config-inspect v0.0.0-20190821133035-82a99dc22ef4/go.mod h1:JDmizlhaP5P0rYTTZB0reDMefAiJyfWPEtugV4in1oI=
 github.com/hashicorp/terraform-config-inspect v0.0.0-20191115094559-17f92b0546e8 h1:+RyjwU+Gnd/aTJBPZVDNm903eXVjjqhbaR4Ypx3xYyY=
 github.com/hashicorp/terraform-config-inspect v0.0.0-20191115094559-17f92b0546e8/go.mod h1:p+ivJws3dpqbp1iP84+npOyAmTTOLMgCzrXd3GSdn/A=
+github.com/hashicorp/terraform-json v0.4.0 h1:KNh29iNxozP5adfUFBJ4/fWd0Cu3taGgjHB38JYqOF4=
+github.com/hashicorp/terraform-json v0.4.0/go.mod h1:eAbqb4w0pSlRmdvl8fOyHAi/+8jnkVYN28gJkSJrLhU=
 github.com/hashicorp/terraform-plugin-sdk v1.0.0 h1:3AjuuV1LJKs1NlG+heUgqWN6/QCSx2kDhyS6K7F0fTw=
 github.com/hashicorp/terraform-plugin-sdk v1.0.0/go.mod h1:NuwtLpEpPsFaKJPJNGtMcn9vlhe6Ofe+Y6NqXhJgV2M=
 github.com/hashicorp/terraform-plugin-sdk v1.4.1 h1:REgN6WbySD6aIYdF6Uob3ic4eQkfh4NXSWU/casmgb4=
 github.com/hashicorp/terraform-plugin-sdk v1.4.1/go.mod h1:H5QLx/uhwfxBZ59Bc5SqT19M4i+fYt7LZjHTpbLZiAg=
+github.com/hashicorp/terraform-plugin-sdk v1.7.0 h1:B//oq0ZORG+EkVrIJy0uPGSonvmXqxSzXe8+GhknoW0=
+github.com/hashicorp/terraform-plugin-sdk v1.7.0/go.mod h1:OjgQmey5VxnPej/buEhe+YqKm0KNvV3QqU4hkqHqPCY=
+github.com/hashicorp/terraform-plugin-test v1.2.0 h1:AWFdqyfnOj04sxTdaAF57QqvW7XXrT8PseUHkbKsE8I=
+github.com/hashicorp/terraform-plugin-test v1.2.0/go.mod h1:QIJHYz8j+xJtdtLrFTlzQVC0ocr3rf/OjIpgZLK56Hs=
 github.com/hashicorp/terraform-svchost v0.0.0-20191011084731-65d371908596 h1:hjyO2JsNZUKT1ym+FAdlBEkGPevazYsmVgIMw7dVELg=
 github.com/hashicorp/terraform-svchost v0.0.0-20191011084731-65d371908596/go.mod h1:kNDNcF7sN4DocDLBkQYz73HGKwN1ANB1blq4lIYLYvg=
 github.com/hashicorp/vault v0.10.4/go.mod h1:KfSyffbKxoVyspOdlaGVjIuwLobi07qD1bAbosPMpP0=
@@ -578,6 +584,8 @@ github.com/zclconf/go-cty v1.0.0 h1:EWtv3gKe2wPLIB9hQRQJa7k/059oIfAqcEkCNnaVckk=
 github.com/zclconf/go-cty v1.0.0/go.mod h1:xnAOWiHeOqg2nWS62VtQ7pbOu17FtxJNW8RLEih+O3s=
 github.com/zclconf/go-cty v1.1.0 h1:uJwc9HiBOCpoKIObTQaLR+tsEXx1HBHnOsOOpcdhZgw=
 github.com/zclconf/go-cty v1.1.0/go.mod h1:xnAOWiHeOqg2nWS62VtQ7pbOu17FtxJNW8RLEih+O3s=
+github.com/zclconf/go-cty v1.2.1 h1:vGMsygfmeCl4Xb6OA5U5XVAaQZ69FvoG7X2jUtQujb8=
+github.com/zclconf/go-cty v1.2.1/go.mod h1:hOPWgoHbaTUnI5k4D2ld+GRpFJSCe6bCM7m1q/N4PQ8=
 github.com/zclconf/go-cty-yaml v1.0.1 h1:up11wlgAaDvlAGENcFDnZgkn0qUJurso7k6EpURKNF8=
 github.com/zclconf/go-cty-yaml v1.0.1/go.mod h1:IP3Ylp0wQpYm50IHK8OZWKMu6sPJIUgKa8XhiVHura0=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=