core: Add support for Galician

Change-Id: I6a8f18d07436ff414897c63170e7eaebcf93e891
quickboot: Disable quickboot by default

* We probably don't want to enable this by default on devices that have
  it because it is confusing to users attempting to shut down their
  phones.

Change-Id: I80eb946f93509cb3b32f6c790611597921b9c54a