[Interop] Deflake pointerevent_click_during_capture.html
The test has been flaking for the auxclick action where the
middle-click drag is probably causing autoscroll in some platforms.
This CL changes the action to use the right mouse button instead, after
suppressing any context menu invocation.
Bug: 40851596
Change-Id: I4e36b3aceb75d5edcbd0c9599ada9f7af9ef7b78
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5873347
Commit-Queue: Mustaq Ahmed mustaq@chromium.org
Reviewed-by: Kevin Ellis kevers@chromium.org
Cr-Commit-Position: refs/heads/main@{#1358971}