Add vendor_available to liblog_headers.
am: dd5163dcd0  -s ours

Change-Id: I2f65fc3de29237cf039665dcfc4aebd5e2cccc90
tree: 56d3b2115b4ab6fea15dd113af690722911a36b7
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/