Remove usage of hidden API TelephonyManager.getNetworkTypeName(int)

This CL deletes the reference to this API as its used in a dead code
which is used for debugging only.

Bug: 140908357
Test: Build
Change-Id: I9fa1996ab5fdb5ab884128d06c2e92bab164dea7
1 file changed
tree: ec0fcae4912c40a925d0953cebfef847d5141268
  1. core/
  2. services/
  3. wifi/