am b6ef8bad: Merge "GPS: Initialize XTRA support when GPS is enabled" into gingerbread

Merge commit 'b6ef8bad8a48fdc28770cf34d0c9efefc7fdd815' into gingerbread-plus-aosp

* commit 'b6ef8bad8a48fdc28770cf34d0c9efefc7fdd815':
  GPS: Initialize XTRA support when GPS is enabled