Call the sdkmanager in our Android SDK with the given arguments.

def _sdkmanager(self, *args, **kwargs):
        """Call the sdkmanager in our Android SDK with the given arguments."""
        # Use the android-sdk dir as cwd by default
        kwargs['cwd'] = kwargs.get('cwd', self.android_sdk_dir)
        command = self.sdkmanager_path + ' ' + ' '.join(args)
        return_child = kwargs.pop('return_child', False)
        if return_child:
            return self.buildozer.cmd_expect(command, **kwargs)
        else:
            kwargs['get_stdout'] = kwargs.get('get_stdout', True)
            return self.buildozer.cmd(command, **kwargs)