Merge "Export variable to soong for converting vintf_compatibility_matrix"...

Merge "Export variable to soong for converting vintf_compatibility_matrix" into main am: 00378b19 am: 44444764

Original change: https://android-review.googlesource.com/c/platform/build/+/3195839



Change-Id: Ib7d36d30b17663372271d81b73bfe8bd28681f88
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>