Rename camsgparser to cafragmentation in adapter_util directory

Rename camsgparser to cafragmentation in adapter_util directory

file naming convention should be consistent throughout the entire code.
camsgparser seems to mean the control layer functionality.

Change-Id: Idb5d31fb4b480e879cb50b70588cc6ef24c6a8a6
Signed-off-by: hyuna0213.jo <hyuna0213.jo@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/1134
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Jaehong Jo <jaehong.jo@samsung.com>
Reviewed-by: jihwan seo <jihwan.seo@samsung.com>
Reviewed-by: Naga Ashok Jampani <jn.ashok@samsung.com>
Reviewed-by: Erich Keane <erich.keane@intel.com>