Removes the status query from WVCryptoPlugin's decrypt method. It was not providing any additional security since it was not cryptographically secure, and querying status is an expensive operation on some devices. It should not be done on a frequent basis, such as in every decrypt call. Bug: 8667365 Merge of https://widevine-internal-review.googlesource.com/#/c/5121/ from widevine CDM repository to android repository. Change-Id: Id9a877c5655cb8dbee7e97f983d43ec2ab6acc6e