Merge changes from topic...

Merge changes from topic "revert-3196490-revert-3195812-revert-3195644-revert-3195637-revert-3184480-system_build_prop_soong-BZIDUTEOOC-KRUETCBWUR-TUHZPHUVFJ-XYILSUPUOA-PCKYAVELZP" into main

* changes:
  Revert "Conditionally pass kernel version to build.prop"
  Revert "Revert "Revert "Revert^2 "Add more variables for system/..."
  Revert^5 "Use Soong-built system/build.prop"