Change uri from 'ocf' to 'oic'

Change uri from 'ocf' to 'oic'

According to a OCF spec.
And associated with the patch below.
https://gerrit.iotivity.org/gerrit/#/c/10581/

Change-Id: I74cab69eb1b0a0b241591c0e48ee5fe63ce3f54d
Signed-off-by: Jaehong Jo <jaehong.jo@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/10713
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Hyuna Jo <hyuna0213.jo@samsung.com>
Reviewed-by: Eunok Shin <eunok.shin@samsung.com>
Reviewed-by: Jee Hyeok Kim <jihyeok13.kim@samsung.com>
Reviewed-by: Jaewook Jung <jw0213.jung@samsung.com>
Reviewed-by: Ashok Babu Channa <ashok.channa@samsung.com>