DRM Framework bug fixes.

- Make sure to clean-up obsolete listeners.
- Close cursor after using it.
- Add virtual destructor to the base class of OnInfoListener.

Changes are made by SEMC and Sony.

Change-Id: Ibb6dd625ef48e3597188f0d7c90f9d4c780b6139
4 files changed
tree: a33e45ff0d2cd56b47da6fced34e898950ca08b2
  1. camera/
  2. cmds/
  3. drm/
  4. include/
  5. media/
  6. services/