liblog: add __android_log_close() am: a0155ef688 am: 87d3263781 am: 882be39b91 am: 1b1b6a4889  -s ours am: 935372b9df
am: 67c30a3379

Change-Id: I0ad2d50b03195b3742f4404119f82b068d610cfe
tree: 63b48b5088d3914388fd8f84934f07847c3f9125
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/