local test drive tool for statsd

example usage:

$./out/host/linux-x86/bin/statsd_testdrive 10009
Uploading the following config to statsd:
id: 56789
gauge_metric {
  id: 2222
  what: 1234567
  gauge_fields_filter {
    include_all: true
  }
  bucket: ONE_MINUTE
}
atom_matcher {
  id: 1234567
  simple_atom_matcher {
    atom_id: 10009
  }
}
allowed_log_source: "AID_GRAPHICS"
allowed_log_source: "AID_INCIDENTD"
allowed_log_source: "AID_STATSD"
allowed_log_source: "AID_RADIO"
allowed_log_source: "com.android.systemui"
allowed_log_source: "com.android.vending"
allowed_log_source: "AID_SYSTEM"
allowed_log_source: "AID_ROOT"
allowed_log_source: "AID_BLUETOOTH"
hash_strings_in_metric_report: false

Success!

Success!

Now wait for 2 minutes ...
Success!

Got following metric data:
metric_id: 2222
gauge_metrics {
  data {
    bucket_info {
      atom {
        cpu_time_per_uid {
          uid: 0
          user_time_millis: 581844000
          sys_time_millis: 135242354000
        }
      }
      elapsed_timestamp_nanos: 610841423012521
      start_bucket_elapsed_millis: 610841423
      end_bucket_elapsed_millis: 610880290
    }
    bucket_info {
      atom {
        cpu_time_per_uid {
          uid: 0
          user_time_millis: 581904000
          sys_time_millis: 135251114000
        }
      }
      elapsed_timestamp_nanos: 610880295723373
      bucket_num: 65
    }
    bucket_info {
      atom {
        cpu_time_per_uid {
          uid: 0
          user_time_millis: 581944000
          sys_time_millis: 135264674000
        }
      }
      elapsed_timestamp_nanos: 610940293803881
      start_bucket_elapsed_millis: 610940290
      end_bucket_elapsed_millis: 610961579
    }
  }
}
time_base_elapsed_nano_seconds: 606980290711787
bucket_size_nano_seconds: 60000000000

Success!

Test: manual test
Change-Id: I8ea5249807cf3cf6971e3bbc8696ff33025ba8d7