Throw IllegalArgumentException for invalid alias

Throw IllegalArgumentException if KEY_ALIAS_SELECTION_DINED is passed to
installKeyPair or generateKeyPair.
There should be no key pairs for this alias.

Bug: 136649900
Test: atest KeyChainTests
Change-Id: Ie6f3f6bff98da12bf47232807cde2613efaadeed
3 files changed