Test delegate access to Device IDs

Test that the delegated certificate installer can access device
identifiers - IMEI, Serial number in particular.

Test: atest CtsDevicePolicyManagerTestCases:com.android.cts.devicepolicy.MixedDeviceOwnerTest#testDelegatedCertInstallerDirectly
Test: atest CtsDevicePolicyManagerTestCases:com.android.cts.devicepolicy.MixedManagedProfileOwnerTest#testDelegatedCertInstallerDirectly
Bug: 120616022
Change-Id: I71012f3041adf6370612795d183fd3789edce4c5
2 files changed