chore(v3.2.x): release 3.2.7

[github-actions]

🤖 I have created a release beep boop

3.2.7 (2022-05-17)

Bug Fixes

• dash: Fix playback of Dolby Atmos (#4173) (1a6e93a), closes #4171
• Do not report MANIFEST RESTRICTIONS_CANNOT_BE_MET error twice (#4194) (28d651b), closes #4190
• Fix encryption detection to work around broken platforms (#4169) (b945376)
• Fix event listener leaks in Player (#4229) (5cab30d)
• Fix exception with streaming.startAtSegmentBoundary (#4216) (b3d4c1c), closes #4188
• Fix PERIOD_FLATTENING_FAILED error when periods have different base sample types (#4206) (9202678), closes #4202
• hls: Fix av1 codec selection in HLS. (#4203) (c72ac92)
• hls: Fix X-PRELOAD-HINT failure with LL mode off (#4212) (59463fb), closes #4185
• Revert "Add missing module export in generated typescript defs" (#4175) (763e932), closes #4167
• Wait for chapters track to be loaded (#4228) (0245971), closes #4186

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[github-actions]

🤖 Release is at https://github.com/shaka-project/shaka-player/releases/tag/v3.2.7 🌻