liblog: remove unneeded checks and includes from headers

Test: build
Change-Id: Ifa3cffe60120fcc30a37239ceb2db46202a03471
7 files changed
tree: 7a38dc2c2c0c3b1ad87fc9c30cf278010ed701e7
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/