Add comments for invalid IP/port and add Invalid filterID/avSyncId

To allow client to identify and specify invalid value

bug: 148110220
Test: Manual
Change-Id: Ib5e88a13cdcca0b62f55fab992293ed17e0ed708
(cherry picked from commit 460b9610bf3665f3d42d1cd67228ec799695259b)
1 file changed