logd: persistent reader threads

(cherry picked from commit 8aef259019f72a872b28616fe93d8bbcc5c2f522)

Bug: 16822776
Change-Id: I5bea468a41089b51108880044f32e2b2df1278e7
2 files changed
tree: 8d6bd63f1de2fddaa39397b5e1aae24878d3b2d9
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/