Merge "avdt_int: add conversion to string functions" into main am: 99c70670 am: 7b307097

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



Change-Id: If6ceb2e8f2972f7cb2cee7ee79e07b911910ea6e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>