[video_player_avplay] Upgrade plusplayer

[gin7773]

Main changes:

• Update plusplayer
  1. [HLS] Reduce load memory by ~3KB.
  2. [HLS] Handling of no INF tag present in content.
  3. [HLS] Optimising ReloadLatencyCall when bitrate change happens.
  4. [DASH] Fix bitrate switching bug.

[gemini-code-assist]

Code Review

This pull request updates the video_player_avplay package to version 0.8.14, reflecting updates to plusplayer including HLS memory reduction, handling of missing INF tags, ReloadLatencyCall optimization, and a DASH bitrate switching bug fix. These changes are documented in the CHANGELOG.md, README.md, and pubspec.yaml. There are no review comments, and I have no feedback to provide.

Important

The consumer version of Gemini Code Assist on GitHub is being sunset. Starting June 18, 2026, new organization installations will be blocked, and all code review activity will officially cease on July 17, 2026.
For more details on the timeline and next steps, please review the Help Documentation.

[gin7773]

Already tested on Tizen 9.0.