DeepLink Refactors for CallButtonPresenter and CallButtonFragment

Moves the business logic into CallButtonPresenter, leaves the
fragment as a dummy.  Fixes some bugs related to when DeepLink
buttons are shown.

Change-Id: I29840dadde74fa892d77da1322953d696cec469c
2 files changed
tree: de6285a4015e988670a7d9bf49785e3174c2b3fd
  1. res/
  2. src/
  3. tests/
  4. proguard.flags