MAP: Start new thread properly to prevent ANR

As MapClient thread join was happening in main thread
So if client is fetching the large data & do disconnect.
It causes the ANR. Starting MapClient thread join into
new thread properly to prevent ANR.

CRs-fixed: 934429
Change-Id: Ife121a05ba102a2f4b8e274051bbb068374faf54
diff --git a/src/android/bluetooth/client/map/BluetoothMasObexClientSession.java b/src/android/bluetooth/client/map/BluetoothMasObexClientSession.java
index 37f758c..4aa0cf4 100644
--- a/src/android/bluetooth/client/map/BluetoothMasObexClientSession.java
+++ b/src/android/bluetooth/client/map/BluetoothMasObexClientSession.java
@@ -179,9 +179,9 @@
         if (mClientThread != null) {
             mClientThread.shutdown();
 
-            (new Thread() {
-                @Override
-                public void run() {
+            Thread t = new Thread(new Runnable() {
+                public void run () {
+                    Log.d(TAG, "Spawning a new thread for stopping obex session");
                     try {
                         mClientThread.join();
                         mClientThread = null;
@@ -189,7 +189,9 @@
                         Log.w(TAG, "Interrupted while waiting for thread to join");
                     }
                 }
-            }).run();
+            });
+            t.start();
+            Log.d(TAG, "Exiting from the stopping thread");
         }
     }