Add logging to TestableNetworkCallback.

This is not super useful because it cannot identify different
NetworkCallback objects from each other, but I've found it to be
better than nothing.

Test: manual
Change-Id: Ib402161f361c0f9fb68701bf171cbc99f598dafd
1 file changed
tree: 33bbd6049ac66c9c9c4e5b09490dd41d88c757da
  1. staticlibs/