omnigears: clean up some of the options text

Change-Id: Iabaa2e933da7600ff71c5482c7ab9502fae7988b
Merge "omnigears: clean up some of the options text" into android-4.4
[2/2] OmniGears: Change of default stream type controlled by volume rocker

PS10: handling of different values to use as default within settings

NOTE: tablets need an overlay at the device tree of custom_arrays.xml
without ringer value included (doesn't break anything if not present though)

Base: https://gerrit.omnirom.org/#/c/2340
Change-Id: I9e2113a6366ab767ad3f41215f6e083fef7dd35f
OmniGears: remove ringer volume default listitem at !isVoiceCapable

PS3:
correct array creation

Change-Id: I02efb2b83991329855271ca9389b2a60c550aa21
merge changes from Omni 4.4 into local branch