CTS test for DPMS.isUsingUnifiedPassword

Bug: 63909482
Test: cts-tradefed run cts -m CtsDevicePolicyManagerTestCases -t
  com.android.cts.devicepolicy.ManagedProfileTest#testIsUsingUnifiedPassword
Test: cts-tradefed run cts -m CtsAdminTestCases -t
  android.admin.cts.DevicePolicyManagerTest#testIsUsingUnifiedPassword_failIfNotProfileOwner
Change-Id: I76c2cc451a4b1f6d9d9787a6685d302c6bc8db7a
3 files changed