Merge "InstallConstraints API javadoc improvement" into udc-dev am: 029ca32ffa

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23050247

Change-Id: I56755d4e92aa6c6941f48b380c47b0fe72f98175
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>