Also, reduce MtpManager's synchronization to per device synchronization. Bug: 23733078 Change-Id: Ieedc7d871f2a4d260ca4287c6fa05d67f54fb4c5
Also, reduce MtpManager's synchronization to per device synchronization. Bug: 23733078 Change-Id: Ieedc7d871f2a4d260ca4287c6fa05d67f54fb4c5