interfaces: Import a2dp

 * From https://gitlab.com/Linaro/96boards/e850-96/platform/vendor/samsung_slsi/-/tree/8263c898ccfbbee41e30b405b1f858c5a417ff33/hardware/ExynosA2DPOffload

Change-Id: Iedc293ce0cb786e912785630572c2e12fbe8f64a
Signed-off-by: Francescodario Cuzzocrea <bosconovic@gmail.com>
3 files changed