InCallUI - Dialpad key digit color TRDS update

Change redirect to proper color name.

Change-Id: If5cc7ea61f7269a4d8522de66fc8e6516512ecac
In-Call UI from blue to white

we changed the default dialpad from blue to white
but forgot this in call dialpad,
make it white ui to be consistent

Change-Id: Ie715340d69adb1514e5f1d5bb159b8c42494015a

Conflicts:
	res/values/colors.xml