Merge "Add soong system image configs" into main am: 0908f9d9

Original change: https://android-review.googlesource.com/c/platform/build/+/3235506



Change-Id: Ie53cca68f72855d66386efc9a3fdb38a7f3f5bdd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>