Add camera face detection API.

API are still hidden.

bug:4460717
Change-Id: I1a515061f141a89bd61c875257712789fb15d2d4
2 files changed
tree: 9c03327dbcab2d396e481deca4098924571c6f4c
  1. camera/
  2. cmds/
  3. drm/
  4. include/
  5. media/
  6. services/