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

chrome/browser/media/router/presentation_session_state_observer_unittest.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/media/router/media_route.h"
 #include "chrome/browser/media/router/media_source_helper.h"
 #include "chrome/browser/media/router/mock_media_router.h"
@@ skipping 11 matching lines @@
 const char kPresentationUrl[] = "http://foo";
 const char kPresentationId[] = "presentationId";
 
 MediaRoute::Id CreateRouteId(const char* presentation_url,
                              const char* presentation_id) {
   return base::StringPrintf("urn:x-org.chromium:media:route:%s/cast-sink1/%s",
                             presentation_id, 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;
 }
 
 }  // namespace
 
 class PresentationSessionStateObserverTest : public testing::Test {
  public:
   PresentationSessionStateObserverTest() {}
   ~PresentationSessionStateObserverTest() override {}
 
@@ skipping 80 matching lines @@
                  MediaSink("sinkId", "A sink"), "Description", true));
   observer_->OnRoutesUpdated(routes);
 
   // |route_id| is no longer being tracked.
   observer_->Reset();
   EXPECT_TRUE(testing::Mock::VerifyAndClearExpectations(this));
   observer_->OnRoutesUpdated(std::vector<MediaRoute>());
 }
 
 }  // namespace media_router