Twice in the past two years, Andrew Anagnost has found himself under siege from the same activist investor.Starboard Value disclosed a roughly $500 million stake in Autodesk last year, after the $67 billion design software company revealed it had conducted an internal investigation into its accounting practices. In addition to the familiar activist calls for cost cuts and stock buybacks, Jeff Smith’s hedge fund urged Autodesk’s board to reassess Anagnost’s position as CEO.Starboard’s first salvo...