Merge "mediatranscoding: pin cpp_std to gnu++17" into main am: c396e061 am:...

Merge "mediatranscoding: pin cpp_std to gnu++17" into main am: c396e061 am: cd8bfe44 am: 2dfa594b

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2833038



Change-Id: Ic895150e34d6585175a6225cfef6ed19c8e82345
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>