[Media Router] Fix typo in unit test (&& instead of &)

chrome/browser/media/router/presentation_session_state_observer_unittest.cc

Index: chrome/browser/media/router/presentation_session_state_observer_unittest.cc
diff --git a/chrome/browser/media/router/presentation_session_state_observer_unittest.cc b/chrome/browser/media/router/presentation_session_state_observer_unittest.cc
index 0d89c45a2851326646c70f80a783e7ce00e66b87..3457020d2b0d4a76416c89f83fdbce872f6024db 100644
--- a/chrome/browser/media/router/presentation_session_state_observer_unittest.cc
+++ b/chrome/browser/media/router/presentation_session_state_observer_unittest.cc
@@ -29,7 +29,7 @@ MediaRoute::Id CreateRouteId(const char* presentation_url,
 }
 
 MATCHER_P(PresentationSessionInfoEquals, expected, "") {
-  return arg.presentation_url == expected.presentation_url &
+  return arg.presentation_url == expected.presentation_url &&
          arg.presentation_id == expected.presentation_id;
 }