Update comments and documentation in net type prop change

Bug: b/112588045
Test: atest EthernetServiceTests --verbose
Test: kitchensink, dumpsys ethernet, with RPi devices and USB to
      ethernet adapters.

Change-Id: Iaa260aabbbd7aa4b7864eba32ecff7e3f84123c3
3 files changed
tree: 48dbb10f5bcf70273982c07fd8b5d12d97a1dd0c
  1. java/
  2. tests/
  3. Android.bp