Fixed all 3 volume sliders behavior

Now updates when dragging

src/components/remotecontrol.js

@@ -272,6 +272,8 @@ define(["browser", "datetime", "backdrop", "libraryBrowser", "listView", "imageL
             var supportedCommands = currentPlayerSupportedCommands;
             var showMuteButton = true;
             var showVolumeSlider = true;
+            var volumeSlider = view.querySelector('.nowPlayingVolumeSliderContainer');
+            var progressElement = volumeSlider.querySelector('.mdl-slider-background-lower');
 
             if (-1 === supportedCommands.indexOf("Mute")) {
                 showMuteButton = false;
@@ -294,6 +296,10 @@ define(["browser", "datetime", "backdrop", "libraryBrowser", "listView", "imageL
                 view.querySelector(".buttonMute i").innerHTML = "";
             }
 
+            if (progressElement) {
+                progressElement.style.width = (volumeLevel || 0) + '%';
+            }
+
             if (showMuteButton) {
                 view.querySelector(".buttonMute").classList.remove("hide");
             } else {