Initialize java class member objects exposed as
XSolver properties: no default construction in java.
Fixes issue for both DEPS and SCO solvers.
Also removed info level console prints.

Change-Id: I6762c5cca978072ce20b1f69a6b523f53364107d
Reviewed-on: https://gerrit.libreoffice.org/14499Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>