1-install: support user-defined PREV_VERS

This allows a variant build to define its previous versions
to be upgraded.
2 files changed
tree: 73c0353fd8e3b569e5243920ed430f66e3116003
  1. boot/
  2. editdisklbl/
  3. initrd/
  4. install/
  5. rpm/
  6. Android.mk