added cordova check to iabprovider usage
added cordova check to iabprovider usage

cmgustavo/copay,cmgustavo/copay,msalcala11/copay,gabrielbazan7/copay,matiu/copay,msalcala11/copay,gabrielbazan7/copay,fr34k8/copay,matiu/copay,matiu/copay,gabrielbazan7/copay,msalcala11/copay,cmgustavo/copay,fr34k8/copay,msalcala11/copay,fr34k8/copay,gabrielbazan7/copay,cmgustavo/copay,matiu/copay,fr34k8/copay