DEPS.xwalk: Roll ozone-wayland (5393802 -> 597c8df).

* 597c8df Merge pull request #341 from darktears/Milestone-ThanksGiving
* 39954c5 Make vkb work on Tizen emulator
* bee600d Do not uninitialize input devices when disconnecting the devices.

These two changes were rolled in 20f55a4c9, but were lost when we moved to M40 and ozone-wayland's Milestone-ThanksGiving.