removed Office 365 SDK, replaced with Unified API (preview) in resource strings
removed Office 365 SDK, replaced with Unified API (preview) in resource strings

OfficeDev/O365-Android-Microsoft-Graph-Connect,OfficeDev/O365-Android-Unified-API-Connect-Preview,OfficeDev/O365-Android-Unified-API-Connect,acroutworst/android_fridge