Change adds a flag that can be used with desktop capture options to specify how the cursor capture should be handled. Bug: chromium:1291247 Change-Id: If8150f8412ade2b6216a65dd026ca528654f52bf Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/284780 Commit-Queue: Salman Malik <salmanmalik@chromium.org> Reviewed-by: Alexander Cooper <alcooper@chromium.org> Cr-Commit-Position: refs/heads/main@{#38721}