Use Moto G4 as default for --mobile instead of iPhone 6 (#3467)

bin/browsertimeWebPageReplay.js

@@ -151,7 +151,7 @@ async function runBrowsertime() {
       const emulation = get(
         btOptions,
         'chrome.mobileEmulation.deviceName',
-        'iPhone 6'
+        'Moto G4'
       );
       btOptions.chrome.mobileEmulation = {
         deviceName: emulation

lib/cli/cli.js

@@ -1388,7 +1388,7 @@ module.exports.parseCommandLine = function parseCommandLine() {
   parsed
     .option('mobile', {
       describe:
-        'Access pages as mobile a fake mobile device. Set UA and width/height. For Chrome it will use device Apple iPhone 6.',
+        'Access pages as mobile a fake mobile device. Set UA and width/height. For Chrome it will use device Moto G4.',
       default: false,
       type: 'boolean'
     })

lib/plugins/browsertime/analyzer.js

@@ -104,7 +104,7 @@ module.exports = {
         const emulation = get(
           btOptions,
           'chrome.mobileEmulation.deviceName',
-          'iPhone 6'
+          'Moto G4'
         );
         btOptions.chrome.mobileEmulation = {
           deviceName: emulation