Revert "Revert "mixed builds correctly reference stubs libs"" am: 75dbca2e

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2549932



Change-Id: I83da50b27bc88162a18b2846e7a709764b72c0c5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>