Add stub implementation of adding reg and cap callbacks.
am: 415e6de1bf

Change-Id: Iee0c9b994957e9255eeb70afa3a64531409a0b0b
tree: def4e404db78d1c2eaa6477a3e3885be3f0679cf
  1. src/
  2. tests/
  3. Android.mk
  4. CleanSpec.mk
  5. OWNERS
  6. README.txt