Upgraded Xen-tools from 4.15 to 4.19.0 #8263

Job	Run time
packages (buildjet-4vcpu-ubuntu-2204-arm, arm64)	17m 52s
packages (buildjet-4vcpu-ubuntu-2004, amd64)	12m 54s
packages (buildjet-4vcpu-ubuntu-2004, riscv64)	3m 40s
eve (arm64, xen, generic)	5m 24s
eve (arm64, kvm, generic)	6m 8s
eve (amd64, xen, generic)	5m 36s
eve (amd64, kvm, generic)	5m 10s
eve (riscv64, mini, generic)	3m 21s
eve (amd64, kvm, rt)	5m 9s
eve (arm64, kvm, nvidia)	5m 36s
eve (arm64, kvm, imx8mp_pollux)	6m 55s
eve (arm64, kvm, imx8mp_epc_r3720)	5m 46s
	1h 23m 31s

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