Return disconnect response in 500ms (#322)

Signed-off-by: Jinbo Wang <[email protected]>

com.microsoft.java.debug.core/src/main/java/com/microsoft/java/debug/core/adapter/handler/AbstractDisconnectRequestHandler.java

@@ -91,7 +91,7 @@ private void destroyLaunchFiles(IDebugAdapterContext context) {
             }
 
             try {
-                TimeUnit.SECONDS.sleep(1);
+                TimeUnit.MILLISECONDS.sleep(100);
             } catch (InterruptedException e) {
                 // do nothing.
             }