am 8acb68e9: Merge "Doc Change: Docs for NDK r4." into froyo

Merge commit '8acb68e9aae7f6766b88440ede6598da63db9fdd' into froyo-plus-aosp

* commit '8acb68e9aae7f6766b88440ede6598da63db9fdd':
  Doc Change: Docs for NDK r4.