Adding SalesforceObjectType class

https://github.com/apache/cordova-android/commit/82bc714ed9831c6a4376e12fdcf65f1a97b85a23 is 3.5.0

https://github.com/apache/cordova-android/commit/9768e738823ba90213f7b118147ccaf7d5c85887 is 3.4.0