logd: add reinit command

- respond to SIGHUP
- respond to logd command "reinit"
- respond to logd --reinit
- reopens files on /data, eg: re-read of persistent properties

Bug: 19681572
Change-Id: Iadac58e6653f027cb7355497bd675eef376ce0a8
5 files changed
tree: a22f205df399c3371bf6ed821811b8f577551b15
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/