[DevTools] Fix 'node targets available' not appearing, but listed in Remote Devices drawer tab.

third_party/WebKit/Source/devtools/front_end/devices/DevicesView.js

Index: third_party/WebKit/Source/devtools/front_end/devices/DevicesView.js
diff --git a/third_party/WebKit/Source/devtools/front_end/devices/DevicesView.js b/third_party/WebKit/Source/devtools/front_end/devices/DevicesView.js
index f5771ce939bdb82724a935d50817660502bf5e49..11396eceee4d230fba6855cc0fb3274a6d88cebc 100644
--- a/third_party/WebKit/Source/devtools/front_end/devices/DevicesView.js
+++ b/third_party/WebKit/Source/devtools/front_end/devices/DevicesView.js
@@ -86,7 +86,9 @@ Devices.DevicesView = class extends UI.VBox {
    */
   _devicesUpdated(event) {
     this._devices =
-        /** @type {!Array.<!Adb.Device>} */ (event.data).slice().filter(d => d.adbSerial.toUpperCase() !== 'WEBRTC');
+        /** @type {!Array.<!Adb.Device>} */ (event.data)
+            .slice()
+            .filter(d => d.adbSerial.toUpperCase() !== 'WEBRTC' && d.adbSerial.toUpperCase() !== 'LOCALHOST');
     for (var device of this._devices) {
       if (!device.adbConnected)
         device.adbModel = Common.UIString('Unknown');