Bug 1780382 [wpt PR 34912] - Update wpt metadata, a=testonly

wpt-pr: 34912
wpt-type: metadata

testing/web-platform/meta/webrtc/protocol/simulcast-answer.html.ini

@@ -2,3 +2,9 @@
   [createAnswer() with multiple send encodings should create simulcast answer]
     bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1547036
     expected: FAIL
+
+  [Using the ~rid SDP syntax in a remote offer does not control the local encodings active flag]
+    expected: FAIL
+
+  [Disabling encodings locally does not change the SDP]
+    expected: FAIL