Remove incorrect annotation - @TransportType

This annotation is mis-adding by aosp/929879, and now it also
makes compilation failure for Telephony Mainline.

Bug: 145755373
Test: atest FrameworksNetTests
Change-Id: Ic22ce6bf17c4300b8cd52217976bfb215a123f68
1 file changed
tree: d4eae0fe73dcb38642e53d3eb3c035661fe6953c
  1. core/
  2. services/
  3. tests/