am 357f8209: Merge "Finetune some of the prefetcher parameters to a) buffer as much as froyo did b) ensure that keepalives actually trigger a network read instead of just draining internal buffers" into gingerbread

Merge commit '357f8209f3aec63fa2779da4eeab8825f80b0a41' into gingerbread-plus-aosp

* commit '357f8209f3aec63fa2779da4eeab8825f80b0a41':
  Finetune some of the prefetcher parameters to a) buffer as much as froyo did b) ensure that keepalives actually trigger a network read instead of just draining internal buffers