* Enable "treat warnings as errors"
* Remove unnecessary for loop
* Remove properties which already exist in base class
* Make property hiding explicit and obsolete hiding property
* Move Treat Warnings as Errors setting to props file
* Fix weird quotation changes in Xamarin.Forms.Build.Tasks.csproj
* Scrub empty WarningsAsErrors tags
* Remove unused variable
* Fix TearDown method hiding in UI tests
* Fix Id member hiding in test for Bugzilla32871
* Fix RootPage member hiding in Bugzilla51503
* Fix RooPage member hiding in Issue1483
* Disable warnings for deprecated OpenGL calls
* Fix member hiding in test view models
* Fix RootPage member hiding in Issue1931
* Fix Id member hiding in Bugzilla42620
* Fix AutomationId member hiding in Bugzilla57114
* Fix Layout member hiding in Bugzilla40911
* Remove unused variables from Bugzilla31114
* Remove unused variable
* Fix various unused variable warnings
* Disable warning to leave example code for reference
* Fix unused variable from macOS test
* Remove unused members
* Fix unused variable warnings
* Fixed unused property warnings
* Fix warnings for unused code
* Disable 'await' warning
* Remove unused variable
* Adding pragma directives for await warnings
* Remove member hiding
* Turn off global "Treat warnings as errors" in other platforms
* Use MarkerId instead of obsolete Id member
* Fix await warnings in WPF GeocoderBackend
* Add missing await
* Disable warning for unused event
Samantha Houts
Stephane Delcroix
E.Z. Hart