Update webxr to a branch that includes a fix for #26149.
Update webxr to a branch that includes a fix for #26149.

KiChjang/servo,splav/servo,KiChjang/servo,splav/servo,splav/servo,KiChjang/servo,splav/servo,KiChjang/servo,KiChjang/servo,splav/servo,splav/servo,splav/servo,splav/servo,KiChjang/servo,KiChjang/servo,splav/servo,KiChjang/servo,KiChjang/servo,KiChjang/servo,splav/servo