[Cin] Libaom 3.4.0

https://groups.google.com/a/webmproject.org/g/webm-discuss/c/D5kHbR8-GaU --- 2022-06-17 v3.4.0 This release includes compression efficiency and perceptual quality improvements, speedup and memory optimizations, and some new features. There are no ABI or API breaking changes in this release. ---