Improving protection of user privacy
Use randomly generated virtual serial number that persists until factory reset
Bug: 117585389
Test: Open multiple MTP device
Check MTP device property
uninstall / re-install MTP driver
WMP sync with multiple MTP device
Enable MTP mode with multi-user
Malformed MTP ID file
Change-Id: I7ed4ce81d9ca1e1c6605c59c73bcd2d26419a5d3
9c968fdb4f