Merge "Revert "Revert "Export variable to soong for converting vintf_co...""...

Merge "Revert "Revert "Export variable to soong for converting vintf_co..."" into main am: 86514e58 am: a7626f79

Original change: https://android-review.googlesource.com/c/platform/build/+/3256525



Change-Id: Iccf78f65821902f9ff62c7d11ecbea2664c2d416
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>