DEPS.xwalk: Roll ozone-wayland (9a04e61 -> 8f3a1b5).

8f3a1b5 Keep ModelloUI focused after the UI is restored.

This should fix TC-1763.
Merge pull request #2557 from rakuco/roll-oz-wl

DEPS.xwalk: Roll ozone-wayland (9a04e61 -> 8f3a1b5).