Update the logic for getting metered data disabled pkgs in DPMS.

Bug: 63700027
Test: atest com.android.cts.devicepolicy.MixedProfileOwnerTest#testSetMeteredDataDisabled
Test: atest com.android.cts.devicepolicy.MixedProfileOwnerTest#testSetMeteredDataDisabled
Test: atest com.android.server.devicepolicy.DevicePolicyManagerTest
Change-Id: I207f7d43d3aade7e91ae98f32e9b775b16b2153e
1 file changed