Merge changes from topic...

Merge changes from topic "revert-3200273-revert-3196490-revert-3195812-revert-3195644-revert-3195637-revert-3184480-system_build_prop_soong-BZIDUTEOOC-KRUETCBWUR-TUHZPHUVFJ-XYILSUPUOA-PCKYAVELZP-XOXPVYPSBJ" into main

* changes:
  Revert^6 "Use Soong-built system/build.prop"
  Revert^6 "Sync gen_build_prop.py to sysprop.mk"
  Revert^2 "Conditionally pass kernel version to build.prop"
  Revert^6 "Add TARGET_SYSTEM_PROP to system build.prop"
  Revert "Revert "Revert^2 "Set output for build_prop even on Soon..."