Merge changes from topic "am-aa23dce5dfef4eabb0d598df92a6d955" into rvc-d1-dev-plus-aosp

* changes:
  Merge changes from topic "rvc-dev-trout" into rvc-dev am: 7bb7ec3d am: 72446749
  Split client and server impl am: a6d6fa3d am: 6fc5d411
  Split vehicle client and server interface header am: 2f2b3bbe am: af57a4d6
  Add headers and macros for building VHAL server for AGL am: d5990965 am: 47b61bce