refactor(livesync): close socket when application process is killed

Author: Plamen5kov

test-app/app/src/debug/java/com/tns/NativeScriptSyncService.java

@@ -30,6 +30,7 @@ public NativeScriptSyncService(Runtime runtime, Logger logger, Context context)
     }
 
     private class LocalServerSocketThread implements Runnable {
+
         private volatile boolean running;
         private final String name;
 
@@ -63,6 +64,11 @@ public void run() {
                 e.printStackTrace();
             }
         }
+
+        @Override
+        protected void finalize() throws Throwable {
+            this.serverSocket.close();
+        }
     }
 
     public void startServer() {
@@ -148,12 +154,6 @@ public void run() {
                 logger.write(String.format("Error while LiveSyncing: %s", e.toString()));
                 e.printStackTrace();
                 exceptionWhileLivesyncing = true;
-            } finally {
-                try {
-                    socket.close();
-                } catch (IOException e) {
-                    e.printStackTrace();
-                }
             }
 
             if (!exceptionWhileLivesyncing) {
@@ -308,5 +308,10 @@ private byte[] readNextBytes(int size) throws IOException {
             return buffer;
         }
 
+        @Override
+        protected void finalize() throws Throwable {
+            this.socket.close();
+        }
+
     }
 }