Calculates and returns the bitwise inclusive OR of the status of all media with the specified identifier that are tracked by this media tracker.

Possible flags defined by the MediaTracker class are LOADING, ABORTED, ERRORED, and COMPLETE. An image that hasn't started loading has zero as its status.

If the value of load is true, then this method starts loading any images that are not yet being loaded.

Parameters:

id the identifier of the images to check

load if true, start loading any images that are not yet being loaded

Returns: the bitwise inclusive OR of the status of all of the media with the specified identifier that are being tracked

`id`		the identifier of the images to check
`load`		if `true`, start loading any images that are not yet being loaded