Merge RunStopCvdCmd into RunStopCvd #287

Job	Run time
download-cidata-job	8s
build-cloud-installer-initramfs-job	7m 59s
build-cloud-installer-job	14m 56s
test-iso-qemu-job	1h 43m 14s
test-iso-cf-container-qemu-job	1h 49m 49s
test-iso-multidisk-qemu-empty-disk-job	1h 41m 35s
test-iso-multidisk-qemu-disk2-with-data-job	1h 48m 37s
test-iso-multidisk-qemu-disk5-with-data-job	1h 52m 52s
test-iso-cf-qemu-job	1h 33m 10s
	10h 52m 20s

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