Add keep screen on feature to FrontendScreen #8898

Job	Run time
lockfiles	1m 5s
yamllint	5s
validate_localize_setup	10s
license_check	57s
ktlint	2m 1s
pr_build_release	14m 6s
pr_build	17m 40s
lint	13m 35s
Screenshot Tests	9m 9s
Unit Tests	7m 59s
Instrumentation Tests (26, x86, wearos_square, android-wear, :wear:connectedDebugAndroidTest :com...	11m 30s
Instrumentation Test app	26m 59s
Instrumentation Tests (33, x86_64, automotive_1024p_landscape, android-automotive, :automotive:co...	15m 6s
Instrumentation Tests (34, x86_64, wearos_small_round, android-wear, :wear:connectedDebugAndroidT...	9m 9s
Instrumentation Tests (34, 34-ext9, x86_64, automotive_1024p_landscape, android-automotive, :auto...	16m 48s
Publish Tests Results	19s
	2h 26m 38s

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