Add EncryptionOperationsTest.AesCbcZeroInputSuccess

Check if the zero input data with AES-CBC-[NONE|PKCS7] padding mode
generates correct output data and length.

Bug: 200553873
Test: VtsHalKeymasterV4_0TargetTest, VtsAidlKeyMintTargetTest
Merged-In: I729c2bad65e9d8b194422032346e5ee3c4b0dce5
Change-Id: I729c2bad65e9d8b194422032346e5ee3c4b0dce5
2 files changed