Revert "Modify IKeymasterDevice/default to version 4.1" This reverts commit 8085c926dfe286ff2fad807f719bff4f47824c8e. Reason for revert: OTA fail Bug: 189069377 Change-Id: I9943bd22d19037e284747be6d59c5f29c0832355 (cherry picked from commit 13a7860840891ab3079f714aa11067a4ab37333d)