KeyManagement Test: Add test for key generation with attestation

Add a test for generating a key directly in KeyChain and including an
attestation challenge, which should cause an attestation record to be
created and generated.

Bug: 63388672
Test: cts-tradefed run commandAndExit cts-dev -a armeabi-v7a -m CtsDevicePolicyManagerTestCases -t com.android.cts.devicepolicy.DeviceOwnerTest#testKeyManagement -l DEBUG
Change-Id: I810a57e0a65759cfed4a0ed193a25a098888529c
1 file changed