Add services.net to FrameworksTelephonyTests

NattKeepalivePacketData is moved to services.net so add services.net

for telephony tests.

Bug: 33530442
Test: make FrameworksTelephonyTests

Exempt-From-Owner-Approval: already approved by OWNERS in aosp/948438
Change-Id: Ieb5646a42f3a79674ecd9222d756ad77636d9bd7
Merged-In: Ieb5646a42f3a79674ecd9222d756ad77636d9bd7
Merged-In: Ieff5dde11c40dfca594f52dbab00efc17e53b4b3
(cherry picked from commit 4052f0a5)