am 981dec69: Merge "don\'t delete /cache/recovery/last_log on boot" into gingerbread

Merge commit '981dec695f83eb51935fcf480ecbd76ae3f7d6c4' into gingerbread-plus-aosp

* commit '981dec695f83eb51935fcf480ecbd76ae3f7d6c4':
  don't delete /cache/recovery/last_log on boot