[automerger skipped] Add headers and macros for building VHAL server for AGL am: d599096596 am: 47b61bce3a am: bd23061fee am: d3ce969089 -s ours
am skip reason: Change-Id I07006a4a3e20900a2fa90b84167d114f9ac45cfe with SHA-1 d599096596 is in history

Change-Id: I75aa748048d214018d6f89cb48d90add3f5af5c9