am 7d619f18: framework: process: Set the control group of a thread to the background group if the priority is logically-lower than ANDROID_PRIORITY_BACKGROUND

Merge commit '7d619f18a277ee3114624df7301db94db83936b9'

* commit '7d619f18a277ee3114624df7301db94db83936b9':
  framework: process: Set the control group of a thread to the background group