Merge "Move stopping DhcpClient to IpClient.StoppingState#enter." am: 799f86a8f2 am: c154dcf382

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/1782527

Change-Id: Ia5c694911a95b56e463671f5e6f34a7b8c284538