am 955c63f8: cherrypick Change-Id: If65316cb08c8912ed2ad1fe10ab7d5ceee664084 docs: revise developing on a device to replace nexus one

* commit '955c63f8f421f7c9afcce2356eb9905df2147a76':
  cherrypick Change-Id: If65316cb08c8912ed2ad1fe10ab7d5ceee664084 docs: revise developing on a device to replace nexus one