Update oci-go-sdk to release version v21.0.0

Author: parrneet

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/hashicorp/hcl2 v0.0.0-20190618163856-0b64543c968c
 	github.com/hashicorp/terraform v0.12.4-0.20190628193153-a74738cd35fc
 	github.com/mitchellh/cli v1.0.0
-	github.com/oracle/oci-go-sdk v20.1.0+incompatible
+	github.com/oracle/oci-go-sdk v21.0.0+incompatible
 	github.com/stretchr/objx v0.1.1 // indirect
 	github.com/stretchr/testify v1.3.0
 	gopkg.in/yaml.v2 v2.2.2

go.sum

@@ -453,6 +453,8 @@ github.com/oracle/oci-go-sdk v20.0.0+incompatible h1:PdKuaDT0DKwG7YMDpwjqsogpLhX
 github.com/oracle/oci-go-sdk v20.0.0+incompatible/go.mod h1:VQb79nF8Z2cwLkLS35ukwStZIg5F66tcBccjip/j888=
 github.com/oracle/oci-go-sdk v20.1.0+incompatible h1:griRQj1BxbX+Drx8mKcRfey98S8/j5JKImFL2kh+qXE=
 github.com/oracle/oci-go-sdk v20.1.0+incompatible/go.mod h1:VQb79nF8Z2cwLkLS35ukwStZIg5F66tcBccjip/j888=
+github.com/oracle/oci-go-sdk v21.0.0+incompatible h1:NMVM7JHdbH2crOOOiN3iEdmMJ6ZyQyI6jpTxh155fa0=
+github.com/oracle/oci-go-sdk v21.0.0+incompatible/go.mod h1:VQb79nF8Z2cwLkLS35ukwStZIg5F66tcBccjip/j888=
 github.com/packer-community/winrmcp v0.0.0-20180102160824-81144009af58 h1:m3CEgv3ah1Rhy82L+c0QG/U3VyY1UsvsIdkh0/rU97Y=
 github.com/packer-community/winrmcp v0.0.0-20180102160824-81144009af58/go.mod h1:f6Izs6JvFTdnRbziASagjZ2vmf55NSIkC/weStxCHqk=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c h1:Lgl0gzECD8GnQ5QCWA8o6BtfL6mDH5rQgM4/fX3avOs=

vendor/github.com/oracle/oci-go-sdk/common/version.go

@@ -486,7 +486,7 @@ github.com/modern-go/reflect2
 github.com/nu7hatch/gouuid
 # github.com/oklog/run v1.0.0
 github.com/oklog/run
-# github.com/oracle/oci-go-sdk v20.1.0+incompatible => ../../oracle/oci-go-sdk
+# github.com/oracle/oci-go-sdk v21.0.0+incompatible
 github.com/oracle/oci-go-sdk/analytics
 github.com/oracle/oci-go-sdk/apigateway
 github.com/oracle/oci-go-sdk/audit