This change also optimezes KeyboardLabelsSet.java by reordering
donottranslate-more-keys.xml in makelabel tool.
Change-Id: Ief46ee783454bedcdffb0f24d9d03df51b6edcd6
This change introduces makelabel tool that reads all languages'
donottranslate-more-keys and generate KeyboardLabelsSet.java source
file. The makelabel command must be invoked prior to compile LatinIME.
Change-Id: I7515c7919c535e30f9c80a37bdc831d0f682cd43