Add CTS for DhcpOption am: 4df5d1fdd2 am: 9e4d6d2dc6 am: 1a43b8b120

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1917689

Change-Id: I6eb9efccc18bed3a9fe81ad6d34e293f0e147ff6