[Android] Refactor the SubtitlesModel to prevent leaking the context

[Nicolas Pomepuy]

vlc-android | branch: master | Nicolas Pomepuy <nicolas at videolabs.io> | Thu Nov  7 15:10:46 2024 +0100| [e571d4b0a602094ad587e5b63a4d2ea119805f20] | committer: Duncan McNamara

Refactor the SubtitlesModel to prevent leaking the context

> https://code.videolan.org/videolan/vlc-android/commit/e571d4b0a602094ad587e5b63a4d2ea119805f20
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 .../org/videolan/vlc/viewmodels/SubtitlesModel.kt  | 58 ++++++++++------------
 1 file changed, 26 insertions(+), 32 deletions(-)

Diff:   https://code.videolan.org/videolan/vlc-android/commit/e571d4b0a602094ad587e5b63a4d2ea119805f20