Revisit media item tracker

[StaehliJ]

Pull request

Description

The goal of this PR is to split and remove PillarboxData into 2 custom tracks and revisit MediaItemTracker.

1. A track for all tracker data.
2. A track for blocked time range.

The MediaItemTracker have been revisited with new behaviors. The stop reason and the position are no more send and start and stop are called when current item change only.

Changes made

• MediaItemTrackerData is stored as an ExoPlayer Track of type TRACK_TYPE_PILLARBOX_TRACKERS.
• BlockedTimeIntervals are stored as an ExoPlayer Track.of type TRACK_TYPE_PILLARBOX_BLOCKED.
• Add function to retrieve MediaItemTrackerData getMediaItemTrackerDataOrNull.
• Add function to retrieve BlockedTimeRange Tracks.getBlockedTimeRangeOrNull.
• Add MutableMediaItemTrackerData to setup MediaItemTracker data and MediaItemTracker factories.
• Remove MediaItemTrackerProvider from PillarboxExoPlayer, Tracker factory are store in MediaItemTrackerData.

Analytics changes

Comscore tracker doesn't create a new session when the same item is repeated or reach end and then seek back. It's end only when the player is released or when the player start the next or previous item.

Checklist

• Your branch has been rebased onto the main branch.
• APIs have been properly documented (if relevant).
• The documentation has been updated (if relevant).
• New unit tests have been written (if relevant).
• The demo has been updated (if relevant).
• All pull request status checks pass.

[github-actions]

Code Coverage

Overall Project	49.15% -0.15%	🟢
Files changed	95.06%	🟢

Module	Coverage
:pillarbox-analytics	88.18% -1.41%	🟢
:pillarbox-core-business	79.91% -0.33%	🟢
:pillarbox-player	58.79% -0.05%	🟢

Files

Module	File	Coverage
:pillarbox-analytics	SRGAnalytics.kt	49.74% -9.23%	🟢
	CommandersAct.kt	0% -50%	🟢
	ComScore.kt	0%	🟢
:pillarbox-core-business	SRGEventLoggerTracker.kt	100%	🟢
	CommandersActTracker.kt	97.92%	🟢
	CommandersActStreaming.kt	96.01% -0.44%	🟢
	ComScoreTracker.kt	86.91%	🟢
	SRGAssetLoader.kt	85.9% -2.63%	🟢
	DefaultPillarbox.kt	0%	🟢
:pillarbox-player	PillarboxMediaPeriod.kt	100%	🟢
	MediaItemTrackerData.kt	100%	🟢
	BlockedTimeRangeTracker.kt	100%	🟢
	Asset.kt	100%	🟢
	Tracks.kt	99.21% -0.79%	🟢
	AnalyticsMediaItemTracker.kt	94.81%	🟢
	PillarboxMediaSource.kt	87.35%	🟢
	UrlAssetLoader.kt	80.65%	🟢
	PillarboxExoPlayer.kt	80.6% -0.64%	🟢

[MGaetan89]

One small improvement to a comment, plus the last open comment in PillarboxMediaPeriodTest, then all good 👍🏻