Deprecation of webview sign-in support announcement from Google

Google recently announced that starting on 4 January 2021, embedded webview sign-in support will be deprecated. Customers using Azure Active Directory (Azure AD) [B2B collaboration with Google accounts](https://docs.microsoft.com/en-us/azure/active-directory/external-identities/google-federation) or [self-service sign-up using Google](https://docs.microsoft.com/en-us/azure/active-directory/external-identities/identity-providers) may be affected and should test line-of-business native applications for compatibility. To learn what applications may be affected and take action, please [read the documentation](https://aka.ms/googlewebviewsignin). * Azure Active Directory (Azure AD) * Compliance * Operating System * SDK and Tools * Services * Retirements * Security * [ Azure Active Directory (Azure AD)](https://azure.microsoft.com/en-gb/products/active-directory/)