Update this test, the previous way of mocking makes this test fail on Python 3.11.

PiperOrigin-RevId: 571947232
Change-Id: I125e0733074bb710492065644e4b37571006cb61

Author: yilei

dm_control/viewer/gui/base_test.py

@@ -33,7 +33,7 @@
 _EPSILON = 1e-7
 
 
-@mock.patch(base.__name__ + '.time')
+@mock.patch.object(base, 'time')
 class DoubleClickDetectorTest(absltest.TestCase):
 
   def setUp(self):