Merge "CCodec: Validate hdr10PlusInfo with the flexCount" into rvc-dev am: d3c372d58b am: c30b81eea8 am: 2ea9caa824

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/11863719

Change-Id: Icec2565460596d9a8596ff0b72cc6f2ccffe639f