SDK add Quota command and models. Add Tests for Quota (Azure#13500)

* Updating SDK package release note and version.

* Updating version.

* Adding updating files for Quota APIs from Automated build -
https://github.com/AzureSDKAutomation/azure-sdk-for-net/tree/sdkAutomation/Microsoft.Azure.Management.Reservations/

* Adding model.
Reverting back to SubscriptionScopeProperties in IReservationOperations.cs, as it breaks the tests.

* Updating version and comments for 2019-07-19-preview

* Adding Quota Api Tests.

* Udating Recorded files for tests and added test cases for quota API.

* Updated Test files.

* Udating the Tests.
Formatting and grouping them by succes and failure cases.

* 1. Updating the Tests.
2. Formatting and grouping them by success and failure cases.

Co-authored-by: Chidozie Ononiwu <[email protected]>

Author: rahuls-microsoft

sdk/reservations/Microsoft.Azure.Management.Reservations/AzSdk.RP.props

@@ -1,7 +1,7 @@
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <!--This file and it's contents are updated at build time moving or editing might result in build failure. Take due deligence while editing this file-->
   <PropertyGroup>
-    <AzureApiTag>Capacity_2019-04-01;</AzureApiTag>
+    <AzureApiTag>Capacity_2019-07-19-preview;Capacity_2019-04-01;</AzureApiTag>
     <PackageTags>$(PackageTags);$(CommonTags);$(AzureApiTag);</PackageTags>
   </PropertyGroup>
 </Project>

sdk/reservations/Microsoft.Azure.Management.Reservations/CHANGELOG.md

@@ -1,5 +1,11 @@
 ## Microsoft.Azure.Management.Reservations release notes
 
+### Changes in 1.14.0-preview
+**Notes**
+
+* Add quota APIs.
+* Add AutoQuotaIncrease APIs.
+
 ### Changes in 1.9.0-preview
 
 **Notes**