(Auto)update libjingle 69860953-> 70002228
(Auto)update libjingle 69860953-> 70002228

Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 420ca434b15c63d6a9491111d5adbfbeaf57afb4

sippet/talk,sippet/talk,sippet/talk,sippet/talk,sippet/talk