Plugin :
- Updated the GMA iOS SDK dependency version to 13.3.0.
- Updated the GMA Android SDK dependency version to 25.2.0
- Defer and raise userRewardEarnedCallback on main thread when running on iOS.
- Added Android Settings Architecture toggle to switch between the Next-Gen GMA Android SDK and the current GMA Android SDK.
- Added ability to surface ResponseInfo via LoadAdError object in case Ad Preloader fails to load an ad.
- Added support for large banner ad size to the AdSize class.
- Fixed GetRequestConfiguration on iOS to return RequestConfiguration set on the GMA iOS SDK.