Reformat all of the java SConscripts to be more Pythonic

Reformat all of the java SConscripts to be more Pythonic

There are not intended to be any functional changes

Some reformatting after initial comments

Change-Id: I2db5b04e2498974396ff3ba6033b521ebd3ab61a
Signed-off-by: Mats Wichmann <mats@linux.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/20537
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: George Nash <george.nash@intel.com>
Reviewed-by: Dave Thaler <dthaler@microsoft.com>
Reviewed-by: Rick Bell <richard.s.bell@intel.com>
(cherry picked from commit 44c0f9d561e356d685544f15134999bf90184d9e)
Reviewed-on: https://gerrit.iotivity.org/gerrit/20901