packaging: engine-service: fix environment for java

python dict.update() returns None.

Change-Id: I781557e81db3417e80c144c6b05315f6011f2e31
Reported-By: Limor Gavish <lgavish@gmail.com>
Signed-off-by: Alon Bar-Lev <alonbl@redhat.com>
packaging: engine-setup re-write using otopi

Change-Id: I4d5e3ac7927802326e324c9b98ada75b421638aa
Signed-off-by: Alon Bar-Lev <alonbl@redhat.com>
Signed-off-by: Sandro Bonazzola <sbonazzo@redhat.com>
Signed-off-by: Alex Lourie <alourie@redhat.com>