Replace the usage of NetworkManagementService with NetdUtils

Since NetdUtils has the same method(setInterfaceUp) as
NetworkManagementService, replace the usage of NMS with NetdUtils.

Bug: 170598012
Test: atest EthernetServiceTests
Change-Id: Id0f8e17e9d6237fa8ab157c96dd982c47007a453
1 file changed
tree: 76b7027d0c448903e2f37903e0230fe473f211b8
  1. java/
  2. tests/
  3. .gitignore
  4. Android.bp