Re-add call recording feature.

Change-Id: I44f766b2ef52d76ace65a9603401ba3368f674b1
19 files changed
tree: 05f3466d5ff06772e00af6ec0e3ff9de543f47e5
  1. res/
  2. src/
  3. tests/
  4. .gitreview
  5. proguard.flags