Merge "Do not hide the bell icon." into rvc-qpr-dev am: 0581ca685b am: a372bf7835

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12091686

Change-Id: I2773ed04f3822d6a5f3e1774220c6dbc68b70e6c