(Reuters) - Private cloud storage company Dropbox Inc plans to name Google Inc GOOG.O executive Dennis Woodside, CEO of Motorola Mobility, as its first Chief Operating Officer. Jonathan Rosenberg, the former head of product management at Google, will be appointed as the Chief Operating Officer of Motorola Mobility with responsibility for day-to-day management, according to two sources familiar with the matter. Nikesh Arora, Google's Chief Business Officer, will remain Executive Chairman of the M
