[DO NOT MERGE] Prevent FDs from being leaked when accepted sockets are closed

am: 786e2694b1

Change-Id: Ia40c3fc57b5c17910c67faf40b940bdd944dd4e3

core/java/android/bluetooth/BluetoothSocket.java

@@ -196,6 +196,7 @@ public final class BluetoothSocket implements Closeable {
             as.close();
             throw new IOException("bt socket acept failed");
         }
+        as.mPfd = new ParcelFileDescriptor(fds[0]);
         as.mSocket = new LocalSocket(fds[0]);
         as.mSocketIS = as.mSocket.getInputStream();
         as.mSocketOS = as.mSocket.getOutputStream();