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

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

Change-Id: I3a83db45ff5cf051e6041a6b607204b4b9dae907