Revert "Revert "Revert "Revert^2 "Add more variables for system/..."

Revert submission 3196490-revert-3195812-revert-3195644-revert-3195637-revert-3184480-system_build_prop_soong-BZIDUTEOOC-KRUETCBWUR-TUHZPHUVFJ-XYILSUPUOA

Reason for revert: DroidMonitor: Potential culprit for b/356297315 - verifying through ABTD before revert submission. This is part of the standard investigation process, and does not mean your CL will be reverted.

Reverted changes: /q/submissionid:3196490-revert-3195812-revert-3195644-revert-3195637-revert-3184480-system_build_prop_soong-BZIDUTEOOC-KRUETCBWUR-TUHZPHUVFJ-XYILSUPUOA

Change-Id: Ic1c52133c80484b318f1ae72e2fd5b5fe199f9ab