java: import from the same package

Change-Id: I1bb0999783f365e20b682c3707e73c65724265c9
Reviewed-on: https://gerrit.libreoffice.org/11955
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>