[Sheriff] Disable flaky test OmniboxViewTest.EnterToSearch

Flaky timeouts observed:
https://ci.chromium.org/p/chromium/builders/ci/Linux%20Tests%20(dbg)(1)/85649
https://ci.chromium.org/p/chromium/builders/try/linux-chromeos-rel/457958
https://ci.chromium.org/p/chromium/builders/try/linux-chromeos-rel/457440

Bug: 1030551
Change-Id: I9bb0b3ba503965256a7f4225c0468eb470e78246
NoTry: True
Tbr: tommycli@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1982931
Reviewed-by: Xiaocheng Hu <xiaochengh@chromium.org>
Commit-Queue: Xiaocheng Hu <xiaochengh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#727642}
1 file changed