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* Change the redirect URI to the new non-talk one.
* Remove the ME2ME OAuth scope check in OAuthTokenExchanger since it
  breaks IT2ME and test binaries.

Change-Id: I36e7778a9ee7a42ea77719277784bab2eb294a5f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1626400
Auto-Submit: Yuwei Huang <yuweih@chromium.org>
Commit-Queue: Joe Downing <joedow@chromium.org>
Reviewed-by: Joe Downing <joedow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#662483}