Merge "Add warning for a known issue in a newly added API" into sc-qpr1-dev am: 697c7a81 am: 875c6c5c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15583141

Change-Id: I65f9918a6c7c1f696f6b2338266dec7097daddb7