Merge "Autofill: Shell command for saved password count" into sc-dev am: 1344e18197 am: b04bb368bc am: 6d6b8099c1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15075578

Change-Id: Ic52c394349c5bbf1b5545a05eda545fd39fe82fa