feat(android): Upgrade native SDK to 3.9.0 and adapt to breaking changes#671

utkrishtsahu wants to merge 1 commit intomainauth0/auth0-flutter:mainfrom

SDK-6921-Increment-android-version-in-flutter-from-2.11.0-to-3.9.0-incorporating-breaking-changesauth0/auth0-flutter:SDK-6921-Increment-android-version-in-flutter-from-2.11.0-to-3.9.0-incorporating-breaking-changesCopy head branch name to clipboard