Update tools/java submodule (python2 dependency)
Update tools/java submodule (python2 dependency)

* tools/java 8fae618f7f...6249bfbe2f (1):
  > dist/debian: replace "python (>=2.7)" with "python2"

Ref #9498.

scylladb/scylla,scylladb/scylla,scylladb/scylla,scylladb/scylla