Add Ethernet and Satellite Metrics

Adding metrics to track Ethernet and Satellite data usage.

The com.android.net.flags.netstats_transport_type flag in the
Connectivity module should be enabled before enabling the
com.android.server.stats.netstats_use_transport_type flag added here.

Flag: com.android.server.stats.netstats_use_transport_type
Bug:420531377
Test: build
Test: statsd_testdrive 10249
Test: for seahawk,set the ConnectivityOverlay's
config_ethernet_interfaces transport override type to "10" (satellite),
then run statsd_testdrive 10250
Test: BytesTransferredTest

Change-Id: I7364bd2986c8b97c9e9efd836b95df3b81bbe844