[Philips TV] Add sensor for component and channel

It would be nice to have sensors for the current running application (e.g. TV or Netflix) and, if TV, the channel. The integration itself already extract this information but only for the frontend.

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activities/tv → {“channel”:{“ccid”:831,“preset”:“18”,“name”:“zdf_neo HD”},“channelList”:{“id”:“1”,“version”:“92”}}
activities/current →
{“component”:“packageName”:“org.droidtv.playtv”,“className”:“org.droidtv.playtv.PlayTvActivity”}}

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activities/current → {“component”:{“packageName”:“com.netflix.ninja”,“className”:“com.netflix.ninja.MainActivity”}}