Add Format.selectionPriority and parse from HLS SCORE#3236

copybara-service[bot] merged 6 commits into

androidx:mainandroidx/media:mainfrom

AndyWangLYN:heyuwang/hls-score-selection-priorityAndyWangLYN/media:heyuwang/hls-score-selection-priorityCopy head branch name to clipboard