Daichi Hirono 592356b63f Add event parameters to MtpEvent.
We can obtain detailed information of MtpEvent from devices. e.g. object
handle of changed object.  The CL adds the detailed information as
properties of MtpEvent class.

BUG=26480986

Change-Id: I79a305a6a9507236709ed69881a3835867e04cfe
2016-01-11 17:41:54 +09:00
..
2016-01-11 17:41:54 +09:00