8372120: Add missing sound keyword to MIDI tests

Reviewed-by: kcr, dholmes

test/jdk/javax/sound/midi/MidiDeviceConnectors/TestAllDevices.java

@@ -24,6 +24,7 @@
 /**
  * @test
  * @bug 4933700
+ * @key sound
  * @summary Tests that default devices return MidiDeviceTransmitter/Receiver and returned objects return correct MidiDevice
  * @compile TestAllDevices.java
  * @run main TestAllDevices

test/jdk/javax/sound/midi/SysexMessage/SendRawSysexMessage.java

@@ -35,6 +35,7 @@ import static javax.sound.midi.SysexMessage.SYSTEM_EXCLUSIVE;
 /**
  * @test
  * @bug 8074211 8237495 8301310
+ * @key sound
  * @summary fail with memory errors when asked to send a sysex message starting
  *          with 0xF7
  */

test/jdk/javax/sound/midi/spi/MidiDeviceProvider/ExpectedNPEOnNull.java

@@ -32,6 +32,7 @@ import static java.util.ServiceLoader.load;
 /**
  * @test
  * @bug 8143909
+ * @key sound
  * @author Sergey Bylokhov
  */
 public final class ExpectedNPEOnNull {

test/jdk/javax/sound/midi/spi/MidiDeviceProvider/FakeInfo.java

@@ -35,6 +35,7 @@ import static java.util.ServiceLoader.load;
 /**
  * @test
  * @bug 8059743
+ * @key sound
  * @summary MidiDeviceProvider shouldn't returns incorrect results in case of
  *          some unknown MidiDevice.Info
  * @author Sergey Bylokhov

test/jdk/javax/sound/midi/spi/MidiDeviceProvider/UnsupportedInfo.java

@@ -30,6 +30,7 @@ import static java.util.ServiceLoader.load;
 /**
  * @test
  * @bug 8058115
+ * @key sound
  * @summary MidiDeviceProvider shouldn't returns incorrect results in case of
  *          unsupported MidiDevice.Info
  * @author Sergey Bylokhov