Merge "Call clearCallingIdentity when calling registerNetworkProvider in TNS" am: 85bea4887f am: 3e0314d68f

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I6edda160620b4a3cbcf85f21081a41d959cf3173