Merge "Enforce profile password quality policy on unified device lock" into...

Merge "Enforce profile password quality policy on unified device lock" into sc-dev am: b8a73935 am: 58b46321

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15123981

Change-Id: I67c0e1170e830bd67cdf6cb4e05701d24dee278f