Telemetry: Move TimeoutException from util module to exceptions module.

tools/telemetry/telemetry/page/actions/play_unittest.py

Index: tools/telemetry/telemetry/page/actions/play_unittest.py
diff --git a/tools/telemetry/telemetry/page/actions/play_unittest.py b/tools/telemetry/telemetry/page/actions/play_unittest.py
index 76df27237dd261a72414b2330c6220e9d7fedcc6..1d982055d811b64ae116140e9e96493037dd58e2 100644
--- a/tools/telemetry/telemetry/page/actions/play_unittest.py
+++ b/tools/telemetry/telemetry/page/actions/play_unittest.py
@@ -3,7 +3,7 @@
 # found in the LICENSE file.
 
 from telemetry import decorators
-from telemetry.core import util
+from telemetry.core import exceptions
 from telemetry.page.actions import play
 from telemetry.unittest_util import tab_test_case
 
@@ -68,7 +68,7 @@ class PlayActionTest(tab_test_case.TabTestCase):
     action.WillRunAction(self._tab)
     self._tab.EvaluateJavaScript('document.getElementById("video_1").src = ""')
     self.assertFalse(self._tab.EvaluateJavaScript(VIDEO_1_PLAYING_CHECK))
-    self.assertRaises(util.TimeoutException, action.RunAction, self._tab)
+    self.assertRaises(exceptions.TimeoutException, action.RunAction, self._tab)
 
   @decorators.Disabled('android', 'linux')  # crbug.com/418577
   def testPlayWaitForEnded(self):
@@ -105,6 +105,6 @@ class PlayActionTest(tab_test_case.TabTestCase):
     # Assert video not playing before running action.
     self.assertFalse(self._tab.EvaluateJavaScript(VIDEO_1_PLAYING_CHECK))
     self.assertFalse(self._tab.EvaluateJavaScript(VIDEO_1_ENDED_CHECK))
-    self.assertRaises(util.TimeoutException, action.RunAction, self._tab)
+    self.assertRaises(exceptions.TimeoutException, action.RunAction, self._tab)
     # Assert video did not end.
     self.assertFalse(self._tab.EvaluateJavaScript(VIDEO_1_ENDED_CHECK))