Merge "Enable NetworkMetricMonitor and support penalizing networks" into main

core/java/android/net/vcn/VcnManager.java

...ore/java/com/android/server/vcn/VcnGatewayConnection.java

...erver/vcn/routeselection/UnderlyingNetworkController.java

...server/vcn/routeselection/UnderlyingNetworkEvaluator.java

...id/server/vcn/VcnGatewayConnectionConnectedStateTest.java

.../com/android/server/vcn/VcnGatewayConnectionTestBase.java

.../server/vcn/routeselection/NetworkEvaluationTestBase.java

...r/vcn/routeselection/UnderlyingNetworkControllerTest.java

...er/vcn/routeselection/UnderlyingNetworkEvaluatorTest.java