Bug 1821627 [wpt PR 38929] - De-flake RTCRtpReceiver-getStats.https.html., a=testonly

Bug 1821627 [wpt PR 38929] - De-flake RTCRtpReceiver-getStats.https.html., a=testonly

Automatic update from web-platform-tests
De-flake RTCRtpReceiver-getStats.https.html. (#38929)

The callee's candidate pair may not be formed until connected, but the
test is waiting for the caller to be connected, not the callee. There
may be a race here where caller's pair is formed just before the calle's
pair. Probably the callee was still checking.

Bug: chromium:1422777
Change-Id: Ia04c3d74b20d4bd6d44eb5b57f551202f3dc91e1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4328130
Reviewed-by: Philipp Hancke <phancke@microsoft.com>
Commit-Queue: Henrik Boström <hbos@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1115626}

Co-authored-by: Henrik Boström <hbos@chromium.org>
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wpt-commits: 0d7d7e3d77ac4c841ac53790efbed70d4f02ce0d
wpt-pr: 38929