Merge "Warn when running activity from 32 bit app on 64 bit devices." into...

Merge "Warn when running activity from 32 bit app on 64 bit devices." into udc-dev am: bf11cb24 am: 80f39ff9 am: b9161cea

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23320254



Change-Id: I9763bf8c5532ff37b9551e6e6ded3581a2efc381
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>