Rename listener to callback for ConferenceManager and rename strings 2/4

Updates for items from API review. See bug for details.

Bug: 17390175
Change-Id: I608d5bed9f6ffd6ef46025cdae88af5a6787663a
2 files changed
tree: 630c5ef7aab119914de86fadf56aeae07c1ad446
  1. libs/
  2. res/
  3. src/
  4. tests/
  5. .classpath
  6. .project
  7. Android.mk
  8. AndroidManifest.xml