Remove sleep in test app.

This sleep was added at some point to test delays adding connections; it is
not needed any more.
Test: Manual test using test app to verify it doesn't sleep.
Bug: 279650527

Change-Id: If4be42033fd4e32c0786a17daf6bf27e56f32e4d
diff --git a/testapps/src/com/android/server/telecom/testapps/SelfManagedConnectionService.java b/testapps/src/com/android/server/telecom/testapps/SelfManagedConnectionService.java
index 6670095..3ef8fbb 100644
--- a/testapps/src/com/android/server/telecom/testapps/SelfManagedConnectionService.java
+++ b/testapps/src/com/android/server/telecom/testapps/SelfManagedConnectionService.java
@@ -142,11 +142,6 @@
         connection.setVideoState(request.getVideoState());
         Log.i(this, "createSelfManagedConnection %s", connection);
         mCallList.addConnection(connection);
-        try {
-            Thread.sleep(8000);
-        } catch (InterruptedException e) {
-            e.printStackTrace();
-        }
         return connection;
     }
 }