Remove NetdService usage from EthernetTracker.

Ethernet service related files are going to be moved into Connectivity
module. So, NetdService won't be visible to EthernetTracker since it's
a hidden class. Alternatively, get the INetd instance from system
service instead.

Bug: 210586283
Test: atest FrameworksNetTests
Test: atest EthernetServiceTests
Change-Id: Iea021ac25cbe4b8836fdab2cd6b4bd3ead5bf725
1 file changed
tree: 7bb83ef0c05f68fa75a6fc2a2e05fc65b905b676
  1. service-t/
  2. tests/