android: camera_device: Simplify FrameBuffer construction from a buffer_handle_t

Move the code which constructs a FrameBuffer from the Android buffer handle
to it's own function to simplify the code flow and readability.

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

src/android/camera_device.h

@@ -70,6 +70,7 @@ private:
 
 	int initializeStreamConfigurations();
 	std::tuple<uint32_t, uint32_t> calculateStaticMetadataSize();
+	libcamera::FrameBuffer *createFrameBuffer(const buffer_handle_t camera3buffer);
 	void notifyShutter(uint32_t frameNumber, uint64_t timestamp);
 	void notifyError(uint32_t frameNumber, camera3_stream_t *stream);
 	libcamera::PixelFormat toPixelFormat(int format);