liblog: remove unused parts of android_log_transport_context

Neither logMsg nor ret are needed in this struct anymore.

Test: build
Change-Id: Ic75158153767dd57d56a71b551a2b106cbdab6d7
3 files changed
tree: ceebe68f1fa6c7700a7710e42c9f262a72def22f
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/