Update msal-overview.md (#84)

Removed the "preview" from MSAL Android

Author: shoatman

articles/active-directory/develop/msal-overview.md

@@ -53,7 +53,7 @@ MSAL can be used in many application scenarios, including the following:
 | --- | --- | 
 | [MSAL.NET](https://github.com/AzureAD/microsoft-authentication-library-for-dotnet)| .NET Framework, .NET Core, Xamarin Android, Xamarin iOS, Universal Windows Platform|
 | [MSAL.js](https://github.com/AzureAD/microsoft-authentication-library-for-js)| JavaScript/TypeScript frameworks such as AngularJS, Ember.js, or Durandal.js|
-| [MSAL for Android (preview)](https://github.com/AzureAD/microsoft-authentication-library-for-android)|Android|
+| [MSAL for Android](https://github.com/AzureAD/microsoft-authentication-library-for-android)|Android|
 | [MSAL for iOS and macOS](https://github.com/AzureAD/microsoft-authentication-library-for-objc)|iOS and macOS|
 | [MSAL4J preview](https://github.com/AzureAD/microsoft-authentication-library-for-java)|Java|