Merge "Test added to generate a key with specifying cerificate subject and certificate serial number. Test generates a key and verifies the specified key characteristics." into main am: a68eb23f51

Original change: https://android-review.googlesource.com/c/platform/system/security/+/2619159

Change-Id: I1234289746a32bae2134b07274dff1c693b18d93
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>