Add more logs in TestableNetworkStatsProvider

Test: m gts && atest \
      GtsNetworkStackHostTestCases:NetworkStatsHostTest#testNetworkStatsProvider
Bug: 175742577
Change-Id: Ib8f45a20879517af08f9bf9cbb2b16314351d2da
1 file changed
tree: a953fb215dd954f5ffbe6bcaf3daf04a9a145029
  1. staticlibs/