LONDON, July 10 (Reuters) - U.S. media powerhouse Walt Disney and British network ITV have announced a content-sharing agreement that will see select programming made available across both Disney+ and ITVX platforms in the UK, aiming to broaden their reach and engage new viewers, the companies revealed on Thursday. Subscribers to Disney+ in the UK will soon gain access to some of ITVX's most popular titles such as the drama "Mr Bates vs The Post Office," reality hit "Love