[Thread] add DISALLOW_THREAD_NETWORK to policy sets

This commit add missing policy configurations for
DISALLOW_THREAD_NETWORK.

See background go/ae-v-thread-admin-control

Test: atest CtsDevicePolicyTestCases:android.devicepolicy.cts.ThreadNetworkTest
Bug: 319079428
Change-Id: I90ea527f5352d4ff11248acf8c985321620daa19