android: camera_device: Use existing variable definitions

Prevent variable shadowing by removing the redeclaration of variables
with the same name (and type) where the existing variable can be reused.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

src/android/camera_device.cpp

@@ -1316,7 +1316,7 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list)
 	 * the Android camera3_stream_t.
 	 */
 	for (CameraStream &cameraStream : streams_) {
-		int ret = cameraStream.configure();
+		ret = cameraStream.configure();
 		if (ret) {
 			LOG(HAL, Error) << "Failed to configure camera stream";
 			return ret;