Add CTS for DhcpOption am: 4df5d1fdd2 am: 9e4d6d2dc6 am: 1a43b8b120 am: c3b974041b

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

Change-Id: I5ca499da930e103de3860a09d024f4ba3c246960