add the impementation of delete_key, delete_all_key for Legacy HAL

the new layer (Keymaster2PassthroughContext) will call the related function
operation, however, currently it’s null so it will have null pointer reference
issue and we need to provide them in the keymater legacy HAL.

Bug: 113084196
Change-Id: Id1b0df47c03d341aedc7a0634cb101966143641c