Fix a bug in the dtmf tone length setting.

Had an error in the preference setting string name.

BUG: 22452758
Change-Id: Ia9b55cb0a41382e4307cff6f5a8b97d9de2ac883
1 file changed
tree: 3c88afba2208aa2ac845a82a2170343b0ab97afd
  1. res/
  2. src/
  3. tests/
  4. Android.mk
  5. AndroidManifest.xml
  6. proguard.flags