Support `m product-graph` in Starlark product config am: 04727303 am: 5303c986

Original change: https://android-review.googlesource.com/c/platform/build/+/2002321



Change-Id: I86e49f2b9e2151d95bd976b2d78124402f5b8094
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>