Grant DeviceConfig permissions

This will allow MediaProvider read transcoding/allow lists from the
server (DeviceConfig)

Bug: 169327180
Test: builds
Test: tools/tradefederation/core/tests/run_tradefed_tests.sh \
      --class com.google.android.asit.DeviceBootTestTest
Change-Id: I1f7b486b533f02b97c3fc28799349b5fa5a23ebb
1 file changed