Add networkCreate API. Deprecate networkCreate[Physical/Vpn] am: ab5f347b7f am: 5bde3aa51b am: d658e24b2f

Original change: https://android-review.googlesource.com/c/platform/system/netd/+/1664120

Change-Id: Ia9a43ea2f61abffc0c7e48d977a4faa59644cede