Merge "Hide footer in place instead of scrolling it offscreen" into sc-dev am: 01d373ce am: 1247e75b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14391006

Change-Id: I70dcde89aa4f5f692a4aad4ed835233e3b0f1e4d