Adult film star Stormy Daniels’s former attorney, Michael Avenatti, is ready and willing to testify against his former client after being in contact with former President Donald Trump’s legal team, RadarOnline.com has learned. Avenatti, currently serving a 19-year sentence for extortion, tax evasion, fraud, embezzlement and other federal crimes, spoke to the New York Post from Terminal Island, a minimum-security federal prison in Los Angeles. He told the outlet that Trump’s legal team had contacted him and said, “I’d be more than happy to testify. I don’t know that I will be called to testify,…