Add stub implementation of adding reg and cap callbacks. am: 415e6de1bf am: d4d60253eb
am: 332db8741d  -s ours

Change-Id: I3e7ecc6e677385cba6a0ed06e98ac5634f78459f
tree: 7c3045990a49d2a1dfc46e543756b7f12d49db70
  1. src/
  2. tests/
  3. Android.mk
  4. CleanSpec.mk
  5. OWNERS
  6. README.txt