Add MTP and PTP OS descriptors.

This adds OS descriptor functionality for
devices that don't use configfs for OS descriptors.

Test: usb sniffer, verify descriptors sent
Bug: 64790536
Change-Id: Iec417606f86fe4d7492273d09d685ab2ec3d03c8
(cherry picked from commit 95ea161b05040412d95b5add98dc882e3be4075c)
1 file changed