Add text reader fuzzer
@fcoUnda  Sorry, it seems there is a problem with landing this inside the XLA directory. We are not allowed to accept dependencies into tensorflow. If it is something that should be shared between XLA and Tensorflow, it needs to go into the TSL repository. > Sorry, it seems there is a problem with landing this inside the XLA directory. We are not allowed to accept dependencies into tensorflow. If it is something that should be shared between XLA and Tensorflow, it needs to go into the TSL repository.

@akuegel No problem! I relocated it to the security folder