Merge "[DU11]Remove NetworkStats hiddden API dependencies" am: dc23434bd5 am: 09b42ebd3c am: 9b2173796b am: e484d11a5d

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1958915

Change-Id: Ib908e2dce2931169bd417777f58aab3bfd965be9