framework: Update German translation

Patch Set 1:    * add translation for navbar customisation
                * minor fixes

Patch Set 2-3:  * add missing string
                * fix derp

Patch Set 4:    * add translations for quick settings USB tether tile

Patch Set 5-8:  * final cleanup
                * replace '...' with unicode (\u2026)
                * copyright cleanup

Patch Set 9:    * remove copyright cleanup

Change-Id: Ifc0a4841d98e4be2183137b8f599ef6d5070f7b7