Add logs to NetworkCallbackTest to diagnose issues

Bug: 157391946
Test: NetworkCallbackTests
Merged-In: I552a1ad05f97a2a9f83f5f7de77d2e7b64084ddc
Change-Id: Ic08df1908828f1487253a2b5dfb14e46442942b8
(cherry picked from commit 446a3ef6c2f9671dd7509906dbb647e1304ade78, aosp/1318216)
1 file changed
tree: f68343acdf79964508ac8c19da3a2547a3714bd7
  1. tests/