Disable SQLitePersistentCookieStoreTest::UpdateToEncryption.

Breaks cronet K build.

BUG=727566
TBR=nharper@chromium.org,mattm@chromium.org

Review-Url: https://codereview.chromium.org/2909923004
Cr-Commit-Position: refs/heads/master@{#475475}
1 file changed