[MS64] Remove subscriberId and NetworkId in proto

netstats.proto is about to move into mainline module.
And it can no longer see privacy.proto definition.
Thus, this change remove PII data that is not very useful
when debugging and any reference to privacy.proto.

Test: adb bugreport and check output at transponder
Bug: 204830222
Change-Id: I755530f356d2c16b336d62785c4c17c557f792db
diff --git a/framework-t/src/android/net/NetworkIdentity.java b/framework-t/src/android/net/NetworkIdentity.java
index 8f1115e..04d1d68 100644
--- a/framework-t/src/android/net/NetworkIdentity.java
+++ b/framework-t/src/android/net/NetworkIdentity.java
@@ -160,11 +160,6 @@
 
         // Not dumping mSubType, subtypes are no longer supported.
 
-        if (mSubscriberId != null) {
-            proto.write(NetworkIdentityProto.SUBSCRIBER_ID,
-                    NetworkIdentityUtils.scrubSubscriberId(mSubscriberId));
-        }
-        proto.write(NetworkIdentityProto.NETWORK_ID, mNetworkId);
         proto.write(NetworkIdentityProto.ROAMING, mRoaming);
         proto.write(NetworkIdentityProto.METERED, mMetered);
         proto.write(NetworkIdentityProto.DEFAULT_NETWORK, mDefaultNetwork);