Add codec panel and support for user-defined AVC/HEVC levels

[MichaelRUSF]

This pull request introduces a new panel for advanced codec settings and updates the ExoPlayerProfile, PlaybackController, and UserPreferences to support user-defined AVC and HEVC codec levels. This enhancement allows users to bypass automatic codec profile levels and customize settings to their preference.

Changes

1. Added PlaybackAdvancedCodecPreferencesScreen:

   • Introduced a new preferences screen for configuring AVC and HEVC codec levels and audio settings.
     • AVC Codec Levels: Users can select from predefined levels, with a default auto option.
     • HEVC Codec Levels: Users can select from predefined levels, with a default auto option.
     • Audio Settings: Moved the option to enable AC3 bitstream audio from PlaybackAdvancedPreferencesScreen to improve organization and clarity of codec-related settings.

2. Updated ExoPlayerProfile:

   • Enhanced to incorporate user-defined AVC and HEVC codec levels.
     • New Parameters:
       • userAVCLevel: String? = "auto"
       • userHEVCLevel: String? = "auto"
     • Codec Profiles Adjustment:
       • AVC Codec Profiles: Uses default profiles or user-defined level based on userAVCLevel.
       • HEVC Codec Profiles: Uses default profiles or user-defined level based on userHEVCLevel.
       • Added conditions to handle and apply user-defined AVC and HEVC levels in the ExoPlayerProfile.

3. Modified PlaybackController:

   • Updated to pass user-defined AVC and HEVC codec levels to the ExoPlayerProfile.

Issues

• Some devices may have codec profiles and levels beyond their advertised capabilities. This update allows users to bypass automatic detection, which can reduce unnecessary transcoding.
• HEVC level 156 always transcoding on supported devices #3380
• Some devices do not report AVC High10 capabilities even though playback is supported, causing decoder checks to fail #3401

[revelation1]

Hoping for a merge here. Would like to use my shield pro again with native player.

[nwg5817]

Reviewed the code, and it looks solid overall. I built and tested it on the NVidia Shield Pro with the latest master branch, and everything worked as expected. The implementation is well-done. I also navigated through the menus, and they were intuitive and located where I expected them to be. Good work!

@lawadr @nielsvanvelzen This solves device HEVC capability reporting issues. Hoping we can get this one merged.