Add a gray scale variant for the TV color picker

Fixes #3035 (closed)

changed milestone to %3.6.x

added Android TV UI UX labels

requested review from @Skantes

You left a log import, but a part from that LGTM

approved this merge request

added 2 commits

• 6a9f9859 - 1 commit from branch videolan:master
• 10a9b69a - Add a gray scale variant for the TV color picker

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added 1 commit

• 23e44e57 - Add a gray scale variant for the TV color picker

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enabled an automatic merge when the pipeline for 23e44e57 succeeds

merged