Restructures the analytics events (#2333)

* ref: Restructures the pinned/unpinned events.

* ref: Refactors the "audio only disabled" event.

* ref: Refactors the "stream switch delay" event.

* ref: Refactors the "select participant failed" event.

* ref: Refactors the "initially muted" events.

* ref: Refactors the screen sharing started/stopped events.

* ref: Restructures the "device list changed" events.

* ref: Restructures the "shared video" events.

* ref: Restructures the "start muted" events.

* ref: Restructures the "start audio only" event.

* ref: Restructures the "sync track state" event.

* ref: Restructures the "callkit" events.

* ref: Restructures the "replace track".

* ref: Restructures keyboard shortcuts events.

* ref: Restructures most of the toolbar events.

* ref: Refactors the API events.

* ref: Restructures the video quality, profile button and invite dialog events.

* ref: Refactors the "device changed" events.

* ref: Refactors the page reload event.

* ref: Removes an unused function.

* ref: Removes a method which is needlessly exposed under a different name.

* ref: Refactors the events from the remote video menu.

* ref: Refactors the events from the profile pane.

* ref: Restructures the recording-related events.

Removes events fired when recording with something other than jibri
(which isn't currently supported anyway).

* ref: Cleans up AnalyticsEvents.js.

* ref: Removes an unused function and adds documentation.

* feat: Adds events for all API calls.

* fix: Addresses feedback.

* fix: Brings back mistakenly removed code.

* fix: Simplifies code and fixes a bug in toggleFilmstrip

when the 'visible' parameter is defined.

* feat: Removes the resolution change application log.

* ref: Uses consistent naming for events' attributes.

Uses "_" as a separator instead of camel case or ".".

* ref: Don't add the user agent and conference name

as permanent properties. The library does this on its own now.

* ref: Adapts the GA handler to changes in lib-jitsi-meet.

* ref: Removes unused fields from the analytics handler initializaiton.

* ref: Renames the google analytics file and add docs.

* fix: Fixes the push-to-talk events and logs.

* npm: Updates lib-jitsi-meet to 515374c8d383cb17df8ed76427e6f0fb5ea6ff1e.

* fix: Fixes a recently introduced bug in the google analytics handler.

* ref: Uses "value" instead of "delay" since this is friendlier to GA.

modules/API/API.js

@@ -3,9 +3,8 @@
 import * as JitsiMeetConferenceEvents from '../../ConferenceEvents';
 import { parseJWTFromURLParams } from '../../react/features/base/jwt';
 import {
-    API_TOGGLE_AUDIO,
-    API_TOGGLE_VIDEO,
-    sendAnalyticsEvent
+    createApiEvent,
+    sendAnalytics
 } from '../../react/features/analytics';
 import { getJitsiMeetTransport } from '../transport';
 
@@ -56,25 +55,48 @@ let videoAvailable = true;
  */
 function initCommands() {
     commands = {
-        'display-name':
-            APP.conference.changeLocalDisplayName.bind(APP.conference),
+        'display-name': displayName => {
+            sendAnalytics(createApiEvent('display.name.changed'));
+            APP.conference.changeLocalDisplayName(displayName);
+        },
         'toggle-audio': () => {
-            sendAnalyticsEvent(API_TOGGLE_AUDIO);
+            sendAnalytics(createApiEvent('toggle-audio'));
             logger.log('Audio toggle: API command received');
             APP.conference.toggleAudioMuted(false /* no UI */);
         },
         'toggle-video': () => {
-            sendAnalyticsEvent(API_TOGGLE_VIDEO);
+            sendAnalytics(createApiEvent('toggle-video'));
             logger.log('Video toggle: API command received');
             APP.conference.toggleVideoMuted(false /* no UI */);
         },
-        'toggle-film-strip': APP.UI.toggleFilmstrip,
-        'toggle-chat': APP.UI.toggleChat,
-        'toggle-contact-list': APP.UI.toggleContactList,
-        'toggle-share-screen': toggleScreenSharing,
-        'video-hangup': () => APP.conference.hangup(true),
-        'email': APP.conference.changeLocalEmail,
-        'avatar-url': APP.conference.changeLocalAvatarUrl
+        'toggle-film-strip': () => {
+            sendAnalytics(createApiEvent('film.strip.toggled'));
+            APP.UI.toggleFilmstrip();
+        },
+        'toggle-chat': () => {
+            sendAnalytics(createApiEvent('chat.toggled'));
+            APP.UI.toggleChat();
+        },
+        'toggle-contact-list': () => {
+            sendAnalytics(createApiEvent('contact.list.toggled'));
+            APP.UI.toggleContactList();
+        },
+        'toggle-share-screen': () => {
+            sendAnalytics(createApiEvent('screen.sharing.toggled'));
+            toggleScreenSharing();
+        },
+        'video-hangup': () => {
+            sendAnalytics(createApiEvent('video.hangup'));
+            APP.conference.hangup(true);
+        },
+        'email': email => {
+            sendAnalytics(createApiEvent('email.changed'));
+            APP.conference.changeLocalEmail(email);
+        },
+        'avatar-url': avatarUrl => {
+            sendAnalytics(createApiEvent('avatar.url.changed'));
+            APP.conference.changeLocalAvatarUrl(avatarUrl);
+        }
     };
     transport.on('event', ({ data, name }) => {
         if (name && commands[name]) {