Merge "[pm] describe warning dialog behavior in javadoc" into udc-dev am:...

Merge "[pm] describe warning dialog behavior in javadoc" into udc-dev am: 416dd2e5 am: 50f4d8fe am: da7f9042 am: e999ac9b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23438327



Change-Id: I9d5607d9f4823aa36d413a2c1e9468be16021e76
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>