Prepare test for error message change in WebRTC.

The error messages will be updated by CL:
https://webrtc-review.googlesource.com/c/src/+/176448

Bug: webrtc:10139
Change-Id: I1c68fdbe030b2c46bdd52d83a45fff11b70e9526
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2228545Reviewed-by: Tommi <tommi@chromium.org>
Commit-Queue: Yura Yaroshevich <yura.yaroshevich@gmail.com>
Cr-Commit-Position: refs/heads/master@{#775058}

content/test/data/media/peerconnection-call.html

@@ -223,9 +223,13 @@
     setOfferSdpTransform(removeVideoCodec);
 
     setOnLocalDescriptionError(function(error) {
-      var expectedMsg = 'Failed to set local offer sdp: Failed to set local' +
-          ' video description recv parameters.';
-      assertEquals(expectedMsg, error.message);
+      var expectedMsg1 = 'Failed to set local offer sdp: Failed to set local ' +
+          'video description recv parameters.';
+      var expectedMsg2 = 'Failed to set local offer sdp: Failed to set local ' +
+          'video description recv parameters for m-section with mid=\'video\'.';
+      assertTrue(
+          expectedMsg1 === error.message ||
+          expectedMsg2 === error.message);
       reportTestSuccess();
     });
     navigator.mediaDevices.getUserMedia({audio: true, video: true})