Update oc_svr to make all SVRs OBSERVABLE
Update oc_svr to make all SVRs OBSERVABLE

Change-Id: Iae8545f25428c71a14db6185a2eb6bf9e8fa6ea0
Signed-off-by: Kishen Maloor <c62ddea3cd661a9268bff15f07fc2229cdc9ac02@intel.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/23263

iotivity/iotivity-constrained,iotivity/iotivity-constrained,iotivity/iotivity-constrained,iotivity/iotivity-constrained