init: avoid finding system dir too aggressive

Only use a system dir if it contains build.prop.
1 file changed
tree: e4d97f6addc6c617a60fc3b2dffcaa6abcf063a5
  1. boot/
  2. editdisklbl/
  3. initrd/
  4. install/
  5. rpm/
  6. Android.mk
  7. CleanSpec.mk