am 24eca800: Merge change I887f355f into eclair-mr2

Merge commit '24eca800d4b34e7d13fbcbc1ab74c9d91ff6a4e1' into eclair-mr2-plus-aosp

* commit '24eca800d4b34e7d13fbcbc1ab74c9d91ff6a4e1':
  Propagate background scheduling class across processes.