Renamed string and test.
Renamed string and test.

Cr-Original-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#8485}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 91d52305ac954b849352495df8500a6ae9811b23

sippet/talk,sippet/talk,dcpang/fatline-libjingle,sippet/talk,sippet/talk,dcpang/fatline-libjingle,dcpang/fatline-libjingle,sippet/talk,dcpang/fatline-libjingle,dcpang/fatline-libjingle