Increasing ringtone volume option (2/3)

Patchset 6 : Rebase
Patchset 7 : Rebase
Patchset 8 : Fixed SeekBar padding

Change-Id: I66870ece23ed471c685afd79a3e5efbe19678588

Conflicts:
	res/values-de/strings.xml
	res/values/arrays.xml
	res/values/strings.xml
	res/xml/sound_settings.xml
	src/com/android/settings/SoundSettings.java