DO NOT MERGE: Restore ext4 install

removing previous change that sets mkfs to use the ext3 instead of ext4 on install
1 file changed
tree: 37aeccf7281e9fa28cea6d0c42f30e02d0f13e90
  1. boot/
  2. initrd/
  3. install/
  4. rpm/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk