Merge "Replace basic_string<uint8_t> with std::vector" into main am: 7295f0b371

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2956772

Change-Id: I3d8061713ff8327e41ea2f3bdd21d0ba815b83ae
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>