Limit disabling of PeerConnectionEndToEndTest.Call to Windows
Limit disabling of PeerConnectionEndToEndTest.Call to Windows

The test seems to be flaky only on Windows.

BUG=4464
TBR=kjellander@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/44829004

Cr-Original-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#8835}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 0b44b58a3cfb6739f0d0030f151518553a0aab9f

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