Pass ssh private key when calling cros_run_vm_update script

This also ensures that the update_engine is started before calling This is done as a prerequisite for enabling the
SimpleTestUpdateAndVerify for lakitu builds.

TEST=manually run cros_au_test_harness that later calls cros_run_vm_update

Change-Id: Ic7bb5557af3e705d83e2149e7383d5867bc4e969
Commit-Ready: Roberta Dobrescu <>
Tested-by: Roberta Dobrescu <>
Reviewed-by: Don Garrett <>
Reviewed-by: Dan Shi <>
2 files changed