liblog: Add README

(cherry picked from commit 6392ecb615980ae42a1f0993803eb10106720b4f)

Change-Id: I9d789e08e9301ec8afa7be8bede955379694b904
1 file changed
tree: 1587b8486618292db961cfe91e30328e29f04e3e
  1. liblog/
  2. logcat/
  3. logwrapper/