[hdpowerview] Add support for scene groups (#11534)

[hdpowerview] Add support for scene groups (#11534)

* Add support for scene collections.

Fixes #11533

Signed-off-by: Jacob Laursen <jacob-github@vindvejr.dk>
* Add unit test for parsing of scene collections response.

Signed-off-by: Jacob Laursen <jacob-github@vindvejr.dk>
* Add default i18n properties file.

Signed-off-by: Jacob Laursen <jacob-github@vindvejr.dk>
* Fix CAT: File does not end with a newline.

Signed-off-by: Jacob Laursen <jacob-github@vindvejr.dk>
* Update documentation with scene collections.

Signed-off-by: Jacob Laursen <jacob-github@vindvejr.dk>
* Fix CAT: File does not end with a newline.

Signed-off-by: Jacob Laursen <jacob-github@vindvejr.dk>
* Fix formatting.

Signed-off-by: Jacob Laursen <jacob-github@vindvejr.dk>
* Fix CAT: File does not end with a newline.

Signed-off-by: Jacob Laursen <jacob-github@vindvejr.dk>
* Split offline tests into separate distinct tests.

Signed-off-by: Jacob Laursen <jacob-github@vindvejr.dk>
* Increase test coverage for scene/scene collection parsing.

Signed-off-by: Jacob Laursen <jacob-github@vindvejr.dk>
* Internationalization of dynamic scene/scene collection channels.

Signed-off-by: Jacob Laursen <jacob-github@vindvejr.dk>
* Rename scene collections to scene groups.

Renamed for all user-oriented texts/references to be consistent with now abandoned feature of the PowerView app.

Signed-off-by: Jacob Laursen <jacob-github@vindvejr.dk>
* Change custom text keys to not collide with framework.

Signed-off-by: Jacob Laursen <jacob-github@vindvejr.dk>
* Avoid multiple thing updates.

Signed-off-by: Jacob Laursen <jacob-github@vindvejr.dk>
* Add missing label/description texts for secondary channel.

Signed-off-by: Jacob Laursen <jacob-github@vindvejr.dk>
* Remove unneeded @Nullable annotations.

Signed-off-by: Jacob Laursen <jacob-github@vindvejr.dk>