MIDI docs: add missing bracket
MIDI docs: add missing bracket

The example code for openDevice() was missing a close bracket.

Bug: 25283941
Change-Id: I8fac6a6dee2393125ad4e057cb857fe21e43b491
Signed-off-by: Phil Burk <c76ad1a5417d5e5ec6068289c7ca2032944e4216@google.com>

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base