[IMS] Removing root access for DataD

Root access has been removed and system access added for
updating route table inet added for CnE

Change-Id: I1388200695c076bc32c7c36d68457108c346007a
CRs-Fixed: 623799
Merge "[IMS] Removing root access for DataD"
Merge f6c78c80dc9c3d35ca52062c9bb09117a406c594 on remote branch

Change-Id: I2d419794dad52737f2e45d381238b25dbcba8034