Merge changes Ibf4774f7,I6568eea0,I35e83679,I9faf8826,I8ee9d999

* changes:
  fs_mgr: use __android_log_is_debuggable()
  adb: use __android_log_is_debuggable()
  debuggerd: use __android_log_is_debuggable()
  logd: use __android_log_is_debuggable()
  libcutils: use __android_log_is_debuggable()
tree: c8fa388d19cffaf1efa0d3fc68cecef566a86b23
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/