am 13f693d5: am d7bf6d46: Merge "Fix bug #8846648 Reduce unnecessary drawing & GC in NetworkController/SignalClusterView" into jb-mr2-dev

* commit '13f693d5b2f75c76a2fe4351860310b1ded6ea12':
  Fix bug #8846648 Reduce unnecessary drawing & GC in NetworkController/SignalClusterView