Merge "Add placeholder to priority onboarding" into rvc-qpr-dev am: 8f7a55c8 am: ed59e135

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12585825

Change-Id: I35ece1820ffe507c0e10b1c9d51efb8446fee2f0