Add RequiresPermission to TestNetworkManager

All API methods in TestNetworkManager require the MANAGE_TEST_NETWORKS
permission.

Fixes: 183972672
Test: m
Change-Id: Ic5929c24ea88d7259d367a81fec8f223a2e3ecb0
2 files changed
tree: f2a2e59c8b9eb20d7a43fd00501e41562f9db489
  1. framework/
  2. service/
  3. OWNERS
  4. TEST_MAPPING