Expose netId by adding getter API

Bug: 151156820
Test: m
      atest TetetheringTests
Change-Id: Ieb1483c146aa2f7d8f251157e6e81d71c44ae899
(cherry picked from commit 8831c4b54178753013d568c0b76bbf7487db8122)
1 file changed
tree: 9e2d5fa9b485a6c84a687a5197a88edfebb6f664
  1. core/
  2. services/
  3. tests/