Support Enter Garage Mode in remote access HAL.

Handles task type in reference remote access HAL and passes to
remote access server through GRPC.

Update host-side TestWakeupClientService to handle vehicleInUse
and ApPowerBootupReason VHAL properties.

Update reference VHAL to get the property values rom a remote grpc
server.

Test: atest --host TestWakeupClientServiceImplUnitTest
Manual run TestWakeupClientServerHost verifies that reference
VHAL can get power properties.
Bug: 316233421

Change-Id: I188aa9eed2dedb3b81b4eb6f5685ca33b646b2f5