logd: syscall optimization

- prset(PR_SET_NAME) call once
- No need to call getuid(), should be AID_LOGD

Change-Id: I4dde0b178bc84e711b355cd7677b0dbf905a0634
6 files changed
tree: 70ebd1139d4967341411a4f4c1826608d0ab5723
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/