logcat - metrics ping sent after backgrounding app

gistfile1.txt

2019-05-16 02:24:04.347 794-9748/? I/ActivityManager: START u0 {flg=0x10000000 cmp=org.mozilla.fenix/mozilla.components.service.glean.debug.GleanDebugActivity (has extras)} from uid 2000
2019-05-16 02:24:04.386 794-1803/? I/ActivityManager: Start proc 16415:org.mozilla.fenix/u0a200 for activity org.mozilla.fenix/mozilla.components.service.glean.debug.GleanDebugActivity
2019-05-16 02:24:04.631 16415-16432/? I/glean/Glean: Metrics enabled: true
2019-05-16 02:24:04.632 16415-16432/? I/glean/Glean: Registering pings for mozilla.components.service.glean.GleanMetrics.Pings
2019-05-16 02:24:04.681 16415-16415/? 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=Lazy value not initialized yet., pingTag=rpapa-test-090, channel=null)
2019-05-16 02:24:04.881 16415-16447/? D/glean/Glean: No content for ping 'PingType(name=metrics, includeClientId=true).name', therefore no ping queued.
2019-05-16 02:24:05.833 16415-16510/? D/glean/HttpPingUploader: Glean ping to URL: /submit/org-mozilla-fenix/activation/1/ab0c51bd-5a37-4a8c-9225-1cfc3248bf96
    {
      "metrics": {
        "string": {
          "activation.identifier": "Jq8m5pOWwyYoIuJkvavb9VGZguQCKgii3MSAW\/7e8ME="
        },
        "uuid": {
          "activation.activation_id": "aec99c37-b55d-418d-8c69-365650eaa7be"
        }
      },
      "ping_info": {
        "ping_type": "activation",
        "seq": 0,
        "start_time": "2019-05-16T02:24-07:00",
        "end_time": "2019-05-16T02:24-07:00"
      },
      "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"
      }
    }
2019-05-16 02:24:25.834 16415-16617/? D/glean/HttpPingUploader: Glean ping to URL: /submit/org-mozilla-fenix/baseline/1/59aa6982-259a-40f3-82de-53abcc56e508
    {
      "metrics": {
        "string": {
          "glean.baseline.locale": "en-US"
        },
        "timespan": {
          "glean.baseline.duration": {
            "time_unit": "second",
            "value": 20
          }
        }
      },
      "ping_info": {
        "ping_type": "baseline",
        "seq": 0,
        "start_time": "2019-05-16T02:24-07:00",
        "end_time": "2019-05-16T02:24-07:00"
      },
      "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": "ccf03508-f25e-40d3-826e-3b3289b64e85"
      }
    }
2019-05-16 02:24:25.959 16415-16617/? D/glean/HttpPingUploader: Glean ping to URL: /submit/org-mozilla-fenix/events/1/8ea56aef-bea5-48bd-b230-cf1e260e0dfe
    {
      "events": [
        {
          "timestamp": 0,
          "category": "events",
          "name": "app_opened",
          "extra": {
            "source": "APP_ICON"
          }
        }
      ],
      "ping_info": {
        "ping_type": "events",
        "seq": 0,
        "start_time": "2019-05-16T02:24-07:00",
        "end_time": "2019-05-16T02:24-07:00"
      },
      "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": "ccf03508-f25e-40d3-826e-3b3289b64e85"
      }
    }