Add setting userInfo in Provider struct.

Add setting userInfo in Provider struct.

initialize ProviderInfo about userinfo.

second patch included deallocate userinfo.
third patch included Add getUserInfo function.
this function will use compare queryparams
when received observer request.
Next patch included
i will add logic about compared queryparams.

Change-Id: Id69891156abd0f0bd4d0f04f873816f697819a46
Signed-off-by: jaesick.shin <jaesick.shin@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/10113
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Hun-je Yeon <hunje.yeon@samsung.com>
Reviewed-by: Madan Lanka <lanka.madan@samsung.com>