Add option to add dist build target. am: 14f21bad66 am: c7bfad2a5a

Original change: https://android-review.googlesource.com/c/platform/art/+/2104928

Change-Id: I8857a133d21a75f4558d10fc370cb040d557b572
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>