[automerger skipped] Add headers and macros for building VHAL server for AGL am: d599096596 am: 47b61bce3a am: aa82f80bb6 am: 08cf9ee466 -s ours
am skip reason: Change-Id I07006a4a3e20900a2fa90b84167d114f9ac45cfe with SHA-1 080963546a is in history

Change-Id: I38196f225116270ae11c3231162d5c7035dc95a0