Passes getWiFiStatsMethod to callstats. (#664)

* Passes getWiFiStatsMethod to callstats.

* Prints WiFi addresses on attachWifiStatsHandler.

* Updates callstats version to 3.27.0.

JitsiConference.js

             callStatsSecret: config.callStatsSecret,
             roomName: this.options.name,
             swapUserNameAndAlias: config.enableStatsID,
-            applicationName: config.applicationName
+            applicationName: config.applicationName,
+            getWiFiStatsMethod: config.getWiFiStatsMethod
         });
     }
 

modules/statistics/CallStats.js

                 undefined,
                 configParams);
 
+            const getWiFiStatsMethod = options.getWiFiStatsMethod;
+
+            if (getWiFiStatsMethod) {
+                CallStats.backend.attachWifiStatsHandler(getWiFiStatsMethod);
+
+                getWiFiStatsMethod().then(result => {
+                    if (result) {
+                        logger.info('Reported wifi addresses:'
+                            , JSON.parse(result).addresses);
+                    }
+                })
+                .catch(() => {});// eslint-disable-line no-empty-function
+            }
+
             return true;
         } catch (e) {
             // The callstats.io API failed to initialize (e.g. because its

modules/statistics/statistics.js

             ? options.callStatsAliasName : userName,
         aliasName: options.swapUserNameAndAlias
             ? userName : options.callStatsAliasName,
-        applicationName: options.applicationName
+        applicationName: options.applicationName,
+        getWiFiStatsMethod: options.getWiFiStatsMethod
     })) {
         logger.error('CallStats Backend initialization failed bad');
     }

package-lock.json

       }
     },
     "react-native-callstats": {
-      "version": "3.26.2",
-      "resolved": "https://registry.npmjs.org/react-native-callstats/-/react-native-callstats-3.26.2.tgz",
-      "integrity": "sha1-7QX56rwAkf1prgbu8wlmZtRsBLs=",
+      "version": "3.27.0",
+      "resolved": "https://registry.npmjs.org/react-native-callstats/-/react-native-callstats-3.27.0.tgz",
+      "integrity": "sha1-xPyL0wTkCQKdnHzbcj/lQN3Bjuk=",
       "requires": {
         "base-64": "0.1.0",
         "jssha": "2.3.1",

package.json

     "async": "0.9.0",
     "current-executing-script": "0.1.3",
     "jitsi-meet-logger": "github:jitsi/jitsi-meet-logger#6fff754a77a56ab52499f3559105a15886942a1e",
-    "react-native-callstats": "3.26.2",
+    "react-native-callstats": "3.27.0",
     "sdp-interop": "0.1.12",
     "sdp-simulcast": "0.2.1",
     "sdp-transform": "2.3.0",