Add oVirt VM automate engine methods

[nasark]

• changes due to ovirt/rhv split

Related:

• https://github.com/ManageIQ/manageiq-content/pull/713
• https://github.com/ManageIQ/manageiq-providers-ovirt/pull/611

@miq-bot add_label bug @miq-bot assign @agrare

[miq-bot]

Checked commit https://github.com/nasark/manageiq-automation_engine/commit/7a6a4e90c67a6d27e9df0b90c2adba3c0ca90aa6 with ruby 2.6.10, rubocop 1.28.2, haml-lint 0.35.0, and yamllint 4 files checked, 0 offenses detected Everything looks fine. :trophy: