Migrate statsd_test to use libstatslog_statsdtest

This is part of the migration to remove libstatslog from statsd

Since we still depend on libstatsmetadata, we cannot fully mock out
all the atoms. So we will create a new libstatslog_statsdtest to house
atoms used only in the tests.

Bug: 150976524
Test: bit statsd_test:*
Change-Id: I6368305eb89b2c35e670e42907a308afd922e604
1 file changed
tree: b847b0d48e814b2de687518a485f6b975a0be2f2
  1. atom_field_options.proto
  2. atoms.proto