Remove liblog/uio.c and <log/uio.h>

readv() isn't used by anyone, writev() has one easily replaced user.
uio.h can be left as a private header for windows compatibility with
struct iovec.

Test: build
Change-Id: I33d4c6bdee6fd818271f78ae06abdd2aa09430f2
12 files changed
tree: 620709e890a2324b7545d7f3158e31e92bb35345
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/