logcat - metrics ping sent when app is already open, then Glean command run

gistfile1.txt

2019-05-16 02:28:25.157 16982-17001/? I/glean/Glean: Metrics enabled: true
2019-05-16 02:28:25.157 16982-17001/? I/glean/Glean: Registering pings for mozilla.components.service.glean.GleanMetrics.Pings
2019-05-16 02:28:34.647 794-9748/? I/ActivityManager: START u0 {flg=0x10000000 cmp=org.mozilla.fenix/mozilla.components.service.glean.debug.GleanDebugActivity (has extras)} from uid 2000
2019-05-16 02:28:34.686 16982-16982/? I/glean/GleanDebugActivity: Setting debug config Configuration(serverEndpoint=https://incoming.telemetry.mozilla.org, userAgent=Glean/0.52.0 (Android), connectionTimeout=10000, readTimeout=30000, maxEvents=500, logPings=true, httpClient=mozilla.components.lib.fetch.httpurlconnection.HttpURLConnectionClient@4137c61, pingTag=rpapa-test-091, channel=null)
2019-05-16 02:28:34.784 16982-17193/? D/glean/HttpPingUploader: Glean ping to URL: /submit/org-mozilla-fenix/metrics/1/497ee033-db7e-47e6-a99e-21ef387e4893
    {
      "metrics": {
        "boolean": {
          "metrics.default_browser": false
        },
        "labeled_counter": {
          "glean.error.invalid_value": {
            "search.default_engine.submission_url": 1
          }
        },
        "string": {
          "metrics.default_moz_browser": "",
          "search.default_engine.code": "google-b-m",
          "search.default_engine.name": "Google",
          "search.default_engine.submission_url": "https:\/\/www.google.com\/search?q=&ie=utf-8&oe=utf-8"
        },
        "string_list": {
          "metrics.mozilla_products": [
            "org.mozilla.firefox",
            "org.mozilla.fennec_fdroid",
            "org.mozilla.fenix"
          ]
        }
      },
      "ping_info": {
        "ping_type": "metrics",
        "seq": 0,
        "start_time": "2019-05-16T02:28-07:00",
        "end_time": "2019-05-16T02:28-07:00"
      },
      "client_info": {
        "telemetry_sdk_build": "0.52.0",
        "first_run_date": "2019-05-16-07:00",
        "os": "Android",
        "android_sdk_version": "26",
        "os_version": "8.0.0",
        "device_manufacturer": "Huawei",
        "device_model": "Nexus 6P",
        "architecture": "arm64-v8a",
        "app_build": "11260615",
        "app_display_version": "1.0.1919",
        "client_id": "1d882612-95f6-4e26-aed3-c2951ea61ac6"
      }
    }