Add comment about localization (#10294)

Adding a comment about localization in order to cause a merge conflict in the next release branch, when we will be disabling the localization in the previous release branch and the change flows automatically to later releases and main.

See #10269 (comment)

Author: AR-May

.vsts-dotnet.yml

@@ -34,7 +34,7 @@ variables:
     - name: SourceBranch
       value: ''
   - name: EnableReleaseOneLocBuild
-    value: true
+    value: true # Enable loc for vs17.12
   - name: Codeql.Enabled
     value: true
   - group: DotNet-MSBuild-SDLValidation-Params