Merge pull request #4369 from jitsi/quality-text-change

Changes call quality strings to video quality.

lang/main.json

         "accessibilityLabel": {
             "audioOnly": "Toggle audio only",
             "audioRoute": "Select the sound device",
-            "callQuality": "Manage call quality",
+            "callQuality": "Manage video quality",
             "cc": "Toggle subtitles",
             "chat": "Toggle chat window",
             "document": "Toggle shared document",
         "audioOnlyOn": "Enable audio only mode",
         "audioRoute": "Select the sound device",
         "authenticate": "Authenticate",
-        "callQuality": "Manage call quality",
+        "callQuality": "Manage video quality",
         "cameraDisabled": "Camera is not available",
         "chat": "Open / Close chat",
         "closeChat": "Close chat",
     "videoStatus": {
         "audioOnly": "AUD",
         "audioOnlyExpanded": "You are in audio only mode. This mode saves bandwidth but you won't see videos of others.",
-        "callQuality": "Call Quality",
+        "callQuality": "Video Quality",
         "hd": "HD",
         "hdTooltip": "Viewing high definition video",
         "highDefinition": "High definition",
         "onlyAudioAvailable": "Only audio is available",
         "onlyAudioSupported": "We only support audio in this browser.",
         "p2pEnabled": "Peer to Peer Enabled",
-        "p2pVideoQualityDescription": "In peer to peer mode, received call quality can only be toggled between high and audio only. Other settings will not be honored until peer to peer is exited.",
+        "p2pVideoQualityDescription": "In peer to peer mode, received video quality can only be toggled between high and audio only. Other settings will not be honored until peer to peer is exited.",
         "qualityButtonTip": "Change received video quality",
         "recHighDefinitionOnly": "Will prefer high definition.",
         "sd": "SD",