[hal, wpilib] Update Addressable LED support (#8100)

wpilibjExamples/src/main/java/edu/wpi/first/wpilibj/examples/addressableled/Robot.java

@@ -31,19 +31,16 @@ public class Robot extends TimedRobot {
 
   /** Called once at the beginning of the robot program. */
   public Robot() {
-    // PWM port 9
-    // Must be a PWM header, not MXP or DIO
-    m_led = new AddressableLED(9);
+    // SmartIO port 1
+    m_led = new AddressableLED(1);
 
     // Reuse buffer
-    // Default to a length of 60, start empty output
-    // Length is expensive to set, so only set it once, then just update data
+    // Default to a length of 60
     m_ledBuffer = new AddressableLEDBuffer(60);
     m_led.setLength(m_ledBuffer.getLength());
 
     // Set the data
     m_led.setData(m_ledBuffer);
-    m_led.start();
   }
 
   @Override