[ Merge of http://go/wvgerrit/122183 ]
Support for CBC1 and CENS encryption modes is no longer required with
OEMCrypto v16. Removing tests to enforce them. The tests will validate
CENC and CBCS mode.
Bug: 181693982
Test: request_license_test
Change-Id: I350d315528c753b70dbf1b1cc46f2897002333fb