am dd44f8c8: Fix bug 2239212 "Dial pad has no sound" The DTMF stream volume is...

am dd44f8c8: Fix bug 2239212 "Dial pad has no sound" The DTMF stream volume is tied to the in-call volume. In the dialer outside of a call, the user has no way to change the touch tone volume. If (s)he lowered the incall volume all the way down, the user will usually 

Merge commit 'dd44f8c8' into eclair-plus-aosp

* commit 'dd44f8c8':
  Fix bug 2239212 "Dial pad has no sound"