Upstream commits:
db46fc981fd8c1a46d923aeaf2187dfcc8b50099
1e9e1c508e177b6466282dfad273cf6cfcdf5c76
One useful change is removing the "XINPUT from XCB is experimental"
warning, it's been around and the default for ages.
Task-number: QTBUG-109183
Change-Id: Ie66aa76c5e3ce83d5d654cfa8279a946c7486602
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>