Fixed build issue by Installing missing header OCUtilities.h

Fixed build issue by Installing missing header OCUtilities.h

Change-Id: Icc5313c48ef95b322526eea169c4b23eab3758a6
Signed-off-by: Philippe Coval <philippe.coval@osg.samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/5581
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Mats Wichmann <mats@osg.samsung.com>
Reviewed-by: Habib Virji <habib.virji@samsung.com>
(cherry picked from commit aa5f4de4c1f08f1ae20dce9c4bc22ff6ba409e6b)
Reviewed-on: https://gerrit.iotivity.org/gerrit/5563