Bluetooth: Implement MAP MessageListing and GetMessage

Implement MAP server functionalities - MessageListing and GetMessage.

BUG=b:424465503
TEST=Manually test using MAP client tool

Change-Id: I7afdfbbcd6c1c2516fcac0167748bef14a341c23
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/chameleon/+/7037939
Tested-by: Manish Mandlik <mmandlik@chromium.org>
Reviewed-by: Yun-hao Chung <howardchung@chromium.org>
Commit-Queue: Manish Mandlik <mmandlik@chromium.org>
1 file changed