Merge changes I75c4c7dc,Ie9f3dea3

* changes:
  MTP: List all the formats we support in addition to FORMAT_UNDEFINED
  MTP: Fix problems with signed ints in MtpCursor.cpp
tree: 801c457919dd8529a193bf89433ac119e0eb1abf
  1. camera/
  2. cmds/
  3. drm/
  4. include/
  5. media/
  6. services/