Remove useless service connection

[StaehliJ]

Description

Remove useless abstraction class for MediaSessionService and MediaLibraryService connection.

Changes made

• Remove MediaServiceConnection
• Remove MediaControllerConnection
• Remove MediaBrowserConnection

To connection MediaController or MediaBrowser refer to the official documentation:

• Official
• MediaSession demo

Sample:

val sessionToken = SessionToken(application, ComponentName(application, YourMediaBrowserService::class.java))
val listenableFuture = MediaBrowser.Builder(application, sessionToken).setListener(this).buildAsync()

// On view create

listenableFuture.addListener({
    setMediaBrowser(listenableFuture.get()
)}, MoreExecutors.directExecutor())

// Destroy view
MediaController.release(listenableFuture)

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.