Enable PENDING_REF_PREFIX in codereview.settings.
Enable PENDING_REF_PREFIX in codereview.settings.

Remove the FORCE_HTTPS_COMMIT_URL as well, since it's no
longer needed after switching to Git.

BUG=chromium:412012
R=agable@chromium.org

Review URL: https://webrtc-codereview.appspot.com/25339004

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#8846}

ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc