Adding a timeout for waiting to get the selected printer's capabilities.

A print service may choose to provide only the printer info and then when
it is requested to start tracking the state of the printer, the service
should provide the printer capabilities. If the capabilities are not
received within ten seconds we mark the printer as unavailable and stop
tracking it.

bug:10748639

Change-Id: I9171cb5dc116fd321c23a8e4ab55109448e2fc6a