Merge "Make the header invisible when customizing" into sc-dev am: f99de685 am: 66197369 am: d4766512

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14847778

Change-Id: I8b6c1d31711ef1279be93d6f9697d0f1380a3f31