tree ecb3f9e906bae34f8bd91576deba1c0b51ab0ecd
parent ac8245ad932ca593c63b96478a001f02e553d612
author Daichi Hirono <hirono@google.com> 1456037430 +0900
committer Daichi Hirono <hirono@google.com> 1456471202 +0900

Stops performing operations that does not supported by MTP device.

MTP devices can return supported operation list. The CL sets root flag
by referring it.

BUG=26147375

Change-Id: I02397821e208cf5a8fcf7457aa279d2818ce24c7