Implementation of Eth Service updateConfiguration

EthernetServiceImpl#updateConfiguration API implementation to allow
for dynamically updating the network capability or ip configuration of
an ethernet based interface.

Bug: 210485380
Test: atest EthernetServiceTests
Change-Id: Idd3b7875a24643d245d0f4bb6f2f4c459898116e
diff --git a/tests/ethernet/Android.bp b/tests/ethernet/Android.bp
index 1bc9352..93a8f6c 100644
--- a/tests/ethernet/Android.bp
+++ b/tests/ethernet/Android.bp
@@ -36,6 +36,8 @@
         "ethernet-service",
         "frameworks-base-testutils",
         "mockito-target-minus-junit4",
+        "net-tests-utils",
+        "services.core",
         "services.net",
     ],
 }