Merge "Ensure the notif panel is inflated" into rvc-qpr-dev am: 434a416769 am: b57fab0a5e

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12673552

Change-Id: Ic0c73b6be7d1ff10ac7c4d7519dc8228cb52b452