Fix license header for android2grd.py
Fix license header for android2grd.py

See http://code.google.com/p/grit-i18n/source/detail?spec=svn63&r=57

BUG=138921

Review URL: https://chromiumcodereview.appspot.com/10825057
camny125/grit-i18n,camny125/grit-i18n,imuse2012/grit-i18n,imuse2012/grit-i18n