GPGS Android Logout 처리

Part of AndroidClient.cs

// This method will be called when user logout the google play servcie
public void SignOut(Action uiCallback)
{
    if (mTokenClient == null)
    {
        InvokeCallbackOnGameThread(uiCallback);
        return;
    }

    mTokenClient.Signout();
    mAuthState = AuthState.Unauthenticated;
    if (uiCallback != null)
    {
        InvokeCallbackOnGameThread(uiCallback);
    }
    
    PlayGamesHelperObject.RunOnGameThread(() => 
    {
        /* Save user logout action. */

        SignInHelper.SetPromptUiSignIn(true);
    });
}