Add DPC, FILTERED and ENFORCE_MANAGED URI in TelephonyProvider.

Fix: 68208245
Test: runtest -x packages/providers/TelephonyProvider/tests/src/com/android/providers/telephony/TelephonyProviderTest.java
Design doc: https://docs.google.com/document/d/1UEYjhRGSEwwccPLs_FzFD-IeOsVq63gxmAHNtDfnzAY/edit#

Change-Id: If17115b4b9f9dc9c91c571781ca8f0bc80d4c954
3 files changed