add component metadata tag to CTS liblog test acses am: 48cb7250e6
am: 43431fa913  -s ours

Change-Id: Icd55ddd16afadb9dfa2c8f40619ff0b617bd5582
tree: f19bc0ecfffc47b8f60dcb71a25d4ba109494648
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/