Merge "Add UNKNOWN fan direction to HVAC_FAN_DIRECTION_AVAILABLE for emulator" into udc-dev am: bc591f4356

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/22777025

Change-Id: I272a3bf3403265671bb078fb676b227ba018c91a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>