Merge "avdt_int: add conversion to string functions" into main am: 99c70670

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3231385



Change-Id: I820d656af2ca9125e1105a1ff156d68992f8edf8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>