To call a dynamimcs CRM web API on a android device programatically
Steps to produce:

1. https://github.com/Azure-Samples/ms-identity-android-java OR
1. https://docs.microsoft.com/en-us/azure/active-directory/develop/quickstart-v2-android

2. Replace the MS Graph API to Dynamics CRM web API

Current Scenario/Issue/Result : 401 Unathorized