Merge "Use the global default cpp_std." into main am: e5ccfbf9cc

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/3115946

Change-Id: Iab9848737cecb9bb56d7da39af008e7c5bd6fb7c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>