Merge "[Provider Model] Don't show Wi-Fi icon if the level is -1" into...

Merge "[Provider Model] Don't show Wi-Fi icon if the level is -1" into sc-qpr1-dev am: ebd9d182 am: 45c46aae am: f439b7a0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15759395

Change-Id: Iaa6f3cc8fef3a9bda1a02e49d9b9c7f143c3ed89