Extend CtsHostsideNetworkTests support to Android R (API 30) am: cea1e6034f am: cb49729abf

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3255361

Change-Id: I0638b1e39b298fac5d390c3c54c103588e9c05aa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>