Merge "Call clearCallingIdentity when calling registerNetworkProvider in TNS" am: 0665793932 am: 601e411e21

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1635045

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I6edda160620b4a3cbcf85f21081a41d959cf3173