RDKB-34719 : Drop process privileges on CcspWifi component
RDKB-34719 : Drop process privileges on CcspWifi component

Reason for change: Add Drop root functionality in CcspWifiSsp process code
Test Procedure:
Verify Get and Set of "Device.DeviceInfo.X_RDKCENTRAL-COM_RFC.Feature.NonRootSupport.Enable"
Check whether CcspWifiSsp runs in nonroot mode when RFC is enabled
Risks: Medium

Signed-off-by: e6ea58ea8324d5280b6ca4a585fb9dc4f22ea507@comcast.com
(cherry picked from commit 233a6e7545f0bdde19fcfb3290892942022ebeac)
Change-Id: I817bdbae5098319ad733f293147424e0c67e6567

rdkcmf/rdkb-CcspWifiAgent,rdkcmf/rdkb-CcspWifiAgent,rdkcmf/rdkb-CcspWifiAgent