Bluetooth: Support MAP Client role on Bluedroid.

Implementation of MAP Client (MCE) role on
Bluedroid stack. Include MAP Client Interface ID.

Change-Id: Icdf11b7f09a161e35aa3aa68b9b5fa315e18fd65
diff --git a/include/hardware/bluetooth.h b/include/hardware/bluetooth.h
index a074f4f..4d38ff7 100644
--- a/include/hardware/bluetooth.h
+++ b/include/hardware/bluetooth.h
@@ -45,6 +45,7 @@
 #define BT_PROFILE_SOCKETS_ID "socket"
 #define BT_PROFILE_HIDHOST_ID "hidhost"
 #define BT_PROFILE_PAN_ID "pan"
+#define BT_PROFILE_MAP_CLIENT_ID "map_client"
 
 #define BT_PROFILE_GATT_ID "gatt"
 #define BT_PROFILE_AV_RC_ID "avrcp"