AI 145663: Disable auto-correction for Dream. Also fixes bug # 1776404.

  Have a boolean resource to specify auto correction default: Will be turned on/off for different targets
  and languages.
  Move English dictionary to raw-en so that French locale doesn't get the English suggestions.
  Make the LatinIME the default for supported latin languages.
  BUG=1776404

Automated import of CL 145663