AOAMAP :: Added API related to Media Access Commands

+ API added are
1 - GET_ALL_SONGS
2 - GET_ALL_ALBUMS
3 - GET_ALL_ARTISTS
4 - GET_ALL_GENRES
5 - GET_ALL_PLAYLISTS

Signed-off-by: Mayank Shukla <munksiitm10@gmail.com>
AOAMAP_SERVER :: Adding Auto Media access command response

+ GET_ALL_SONGS Response added
+ GET_ALL_ALBUMS Response added
+ GET_ALL_ARTISTS Response added
+ GET_ALL_GENRES Response added
+ GET_ALL_PLAYLISTS Response added

Signed-off-by: Mayank Shukla <munksiitm10@gmail.com>