Settings: RTL layout fixes

Replaced Left with Start, and Right with End to fit Google's new RTL API.
Replaced setPadding with setPaddingRelative (which uses Start and End instead of Left and Right) around switches to make them look right in RTL UIs
Added RTL Support to LinearColorBar in order to make App Management's storageBar compatible with the RTL UI.
Reversed App Management's ViewPager in RTL langs
Fastscroll aligned to the left

Change-Id: I495f4794a9861fa01692d766ef86f4fdd8e4b38d
Settings: Improve configuration options displaying

Patch Set 1:    * Replace the backslash sign with the vertical line
                  sign for a better displaying of the configuration
                  options for network mode, screen timeout and sound
                  modes.

                  Before: http://goo.gl/3adfn
                  After:  http://goo.gl/Uvjy2

Change-Id: I0ce415e4163f2f7d0891397a922bc8621634fac9

Conflicts:
	res/values/arrays.xml
	res/values/strings.xml