Merge "liblogcat: replace NULL with nullptr"
am: 7826f853bc

Change-Id: Ic2e33c1c81cbbb83b459359403739cd98fdab2e7
tree: cbc996577e8952d02e80345441d218c7e19218af
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/