Remove the weird @command syntax, and make toolbox itself list the available
commands, like toybox does. Also stop special-casing toolbox itself.
Change-Id: I77dfaaf0cf42e375d866b77362dd8afa717fb2e1
None of our tools -- except for top, which I'd fixed previously --
handles SIGPIE correctly. Let's just handle SIGPIPE in the driver.
Bug: https://code.google.com/p/android/issues/detail?id=157920
Change-Id: I322ea411f53c71585a64118c217d54389f675d4e