Apimanagement - 2020-06-01-preview version release (Azure#11196)

* Adds base for updating Microsoft.ApiManagement from version stable/2019-12-01 to version 2020-06-01-preview

* Updates readme

* Updates API version in new specs and examples

* Add support in API Management for Availability Zones (Azure#10284)

* apim in azs

* fix prettier check

* PATCH should return 200 OK (Azure#10328)

* add support for PATCH returning 200 OK

* CI fixes

prettier fix

CI fixes part 2

* Password no longer a mandatory property when uploading Certificates

* add missing x-ms-odata extension for filter support

* +gatewayhostnameconfiguration protocol changes (Azure#10292)

* [2020-06-01-preview] Update Oauth Server secrets Contract (Azure#10602)

* Oauth server secrets contract

* fix azureMonitor enum

* API Management Service Deleted Services Resource (Azure#10607)

* API Management Service Deleted Services Resource

* Path fix

* Lint + custom-words fixes

* Location URI parameter for deletedservices Resource

* GET for deletedservices by service name

* Remove resourceGroupName from resource path

* fixes

* schema for purge operation

* perttier applied

* 204 response code added

Co-authored-by: REDMOND\glfeokti <glfeokti@microsoft.com>

* OperationNameFormat property added to Diagnostic contract (Azure#10641)

* OperationNameFormat property added to Diagnostic contract

* add azuremonitor to update contract

Co-authored-by: REDMOND\glfeokti <glfeokti@microsoft.com>

* [Microsoft.ApiManagement][2020-06-01-preview] Change Network Status response contract (Azure#10331)

* Change Network Status response contract

* Update examples for network status contract

* identityClientId support (Azure#10776)

* [2020-06-01-preview] Update namedvalue contract for keyvault (Azure#10604)

* update namedvalue contract for keyvault

* add examples

* separate out create contract

* common create contract

* fix examples

* Data Masking settings for Diagnostic (Azure#11033)

* Data Masking settings for Diagnostic

* Move dataMasking under HttpMessageDiagnostic

Co-authored-by: REDMOND\glfeokti <glfeokti@microsoft.com>

* Add isolated skutype (Azure#11029)

* cache entity (Azure#11098)

* [2020-06-01-preview] update certificate contract for KeyVault (Azure#11097)

* The contract `AuthorizationServerSecretsContract` is specifically designed to List secrets on POST operation (Azure#11227)

* secret ok in POST operation

* fix prettier

* fix example (Azure#11249)

Co-authored-by: maksimkim <maksim.kim@gmail.com>
Co-authored-by: promoisha <feoktistovgg@gmail.com>
Co-authored-by: REDMOND\glfeokti <glfeokti@microsoft.com>
Co-authored-by: RupengLiu <rliu1211@terpmail.umd.edu>
Co-authored-by: JJ <jijohn@microsoft.com>
Co-authored-by: Kacie <35987382+KacieKK@users.noreply.github.com>

custom-words.txt

@@ -454,6 +454,7 @@ deleteconsumergroup
 deletedcertificates
 deletedkeys
 deletedsecrets
+deletedservices
 deletedstorage
 deletefailed
 deleteissuers