Add the rest of web platform pointerevent tests

Add input injection for the rest of web platform
pointerevent tests.

Also adding a few more skip rules as the result of the last revert:
crrev.com/2056333002

BUG=612924

Review-Url: https://codereview.chromium.org/2130433002
Cr-Commit-Position: refs/heads/master@{#404162}
65 files changed