This had to be called from native because serialization
was done from native, but now that serialization is in Java
we can move this back to a more logical place.
Also, this allows us to dump the per-UID proxy counts in
this situation again.
Bug: 109888955
Test: sailfish builds, proxy debug info shown on hitting limits
Change-Id: I4e06b3f93e30ed1c7868ec9e018709a7e796e441