am aaad7ab4: am fd110c7f: Merge change I831d8e1e into eclair

Merge commit 'aaad7ab4ae9e6913481fe4348b040e5d3e2aaec1' into eclair-mr2-plus-aosp

* commit 'aaad7ab4ae9e6913481fe4348b040e5d3e2aaec1':
  rootdir: init.rc: Adjust background dirty writeout policy