sdp: temporarily relax clockrate requirements for statically assigned payload types

to allow for downstream users to upgrade.

BUG=chromium:1338902

Change-Id: If6b56ab63f7859c13e9ebc70326e1088e5dfff1a
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/268141
Commit-Queue: Philipp Hancke <philipp.hancke@googlemail.com>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#37475}
diff --git a/pc/webrtc_sdp_unittest.cc b/pc/webrtc_sdp_unittest.cc
index 02f990b..7880af0 100644
--- a/pc/webrtc_sdp_unittest.cc
+++ b/pc/webrtc_sdp_unittest.cc
@@ -4665,11 +4665,10 @@
       "s=-\r\n"
       "t=0 0\r\n"
       "m=audio 49232 RTP/AVP 108\r\n"
-      // Same name but different payload type.
       "a=rtpmap:108 ISAC/16000\r\n"
-      "a=rtpmap:108 ISAC/32000\r\n";
+      "a=rtpmap:108 G711/16000\r\n";
 
-  ExpectParseFailure(sdp, "a=rtpmap:108 ISAC/32000");
+  ExpectParseFailure(sdp, "a=rtpmap:108 G711/16000");
 }
 
 TEST_F(WebRtcSdpTest, DuplicateVideoRtpmapWithConflict) {