logcat: include 'kernel' and 'security' buffers in logcat --help

Bug: 115798272
Test: documentation looks right
Change-Id: I35dcc51e6779e7382843d4d92fb6182ddf0e0202
1 file changed
tree: 7ef3ef397f2c6848bd48d37e8582100df42f93c9
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/