Phone: Forward port Add national data roaming and make it optional (2/2)

  by Robin Morawetz (Rdlgrmpf) and Davor Bertovic (LorD ClockaN)
  Id: I9fccddf4d9081d228540d5e62f132383b9579c52

Change-Id: I524f3b71e9e8ef3483351adc4907fba4622e4b3c

Conflicts:
	res/values/strings.xml

Signed-off-by: iceandfire <arhamjamal@gmail.com>
Set ringtone mode even if ringer is silent.

We need this as we want to attenuate music players even on silent
ringtone, to make the user aware the ringer is playing.

Change-Id: I8784f95996a70ac83fcb2d45231f0c3c209bb4e1
Fix center layout on manually lowered DPI

Change-Id: I11c1f9c31df9021e1763d4aed9af5517e3cb8753
Signed-off-by: Gergely Szell (sethyx) <szell@hu.ibm.com>