Update wifi display device name when renamed.

Bug: 7340725
Change-Id: Ia3835a37fa3800371920f863b82f992efe764664

Author: Jeff Brown

services/java/com/android/server/display/WifiDisplayAdapter.java

@@ -198,6 +198,12 @@ public void requestRenameLocked(String address, String alias) {
             updateRememberedDisplaysLocked();
             scheduleStatusChangedBroadcastLocked();
         }
+
+        if (mActiveDisplay != null && mActiveDisplay.getDeviceAddress().equals(address)
+                && mDisplayDevice != null) {
+            mDisplayDevice.setNameLocked(mActiveDisplay.getFriendlyDisplayName());
+            sendDisplayDeviceEventLocked(mDisplayDevice, DISPLAY_DEVICE_EVENT_CHANGED);
+        }
     }
 
     public void requestForgetLocked(String address) {
@@ -397,7 +403,7 @@ public void onDisplayDisconnected() {
     };
 
     private final class WifiDisplayDevice extends DisplayDevice {
-        private final String mName;
+        private String mName;
         private final int mWidth;
         private final int mHeight;
         private final float mRefreshRate;
@@ -423,6 +429,11 @@ public void clearSurfaceLocked() {
             sendTraversalRequestLocked();
         }
 
+        public void setNameLocked(String name) {
+            mName = name;
+            mInfo = null;
+        }
+
         @Override
         public void performTraversalInTransactionLocked() {
             setSurfaceInTransactionLocked(mSurface);