Fetch artifact is a tool for downloading artifacts from Android's continuous integration service.
target: Required - The target you would like to download the artifact from.
build_id: Required - The build_id of the target to download the artifact from.
artifact: Required - The artifact to download.
output: Optional - If you would like the contents of the file to be written to a specific file
-: Optional - If you would like the contents of the file to be written to stdout (must be the last arg)
fetch_artifact -target=aosp_arm64-userdebug -build_id=7000390 -artifact=COPIED
fetch_artifact -target=aosp_arm64-userdebug -build_id=7000390 -artifact=COPIED -