[chromedriver] Disable some CorrectEventFiringTest tests for Chrome Beta on Android

BUG=chromedriver:922
NOTRY=true
TBR=klundberg@chromium.org

Review URL: https://codereview.chromium.org/634043004

Cr-Commit-Position: refs/heads/master@{#298569}
[chromedriver] Remove M35 and add M38 to tests

BUG=

Review URL: https://codereview.chromium.org/633773005

Cr-Commit-Position: refs/heads/master@{#298570}