Allow voicemail numbers to be blocked.

Though it is lighter on logic now, it still seems helpful to have
a common helper to return whether it should be possible to proceed
with blocking a number.

Bug: 25230222
Change-Id: I99f93f1cfc09988b3dec77f71541463c96d06225
2 files changed
tree: dce377e9c9730053733053fb8494f816e2f29945
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. proguard.flags