[zx] Magenta -> Zircon The Great Renaming is here! Change-Id: I3229bdeb2a3d0e40fb4db6fec8ca7d971fbffb94
[mxio] Remove most uses of mxio_wait_fd The two remaining callers can actually have a finite timeout. Change-Id: I48c4af3604c46af4cb614e36777603c55b46d65e
[uapp][midiecho] test program that just echoes data from a MIDI source to sink Change-Id: I30c01750684917fb57305ef23170333f3a87a8d2