Merge "Add info about logging in Kotlin classes" into udc-qpr-dev am: a6cc8ca9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23331755



Change-Id: I559a3ce8773e7d244785fc885d3b29b74f54c5bd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>