Add attribute to control OnlyOnACPower #169

Job	Run time
lint-unit / yamllint	7s
lint-unit / cookstyle	31s
lint-unit / markdown-link-check	18s
lint-unit / check-metadata	6s
lint-unit / markdownlint-cli2	3s
lint-unit / rspec	39s
integration (centos-stream-8, default)	1m 5s
integration (debian-10, default)	1m 13s
integration (debian-10, cacher)	1m 22s
integration (debian-10, compile-time)	1m 9s
integration (debian-10, unattended-upgrades)	1m 17s
integration (debian-11, default)	1m 11s
integration (debian-11, cacher)	1m 20s
integration (debian-11, compile-time)	1m 12s
integration (debian-11, unattended-upgrades)	1m 16s
integration (ubuntu-1804, default)	1m 12s
integration (ubuntu-1804, cacher)	1m 28s
integration (ubuntu-1804, compile-time)	1m 17s
integration (ubuntu-1804, unattended-upgrades)	1m 25s
integration (ubuntu-2004, default)	1m 13s
integration (ubuntu-2004, cacher)	2m 11s
integration (ubuntu-2004, compile-time)	1m 20s
integration (ubuntu-2004, unattended-upgrades)	1m 17s
integration (ubuntu-2204, default)	1m 14s
integration (ubuntu-2204, cacher)	1m 26s
integration (ubuntu-2204, compile-time)	1m 9s
integration (ubuntu-2204, unattended-upgrades)	1m 23s
	29m 24s

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