[commands] Fix incorrect Trigger docs (NFC) (#4792)

wpilibNewCommands/src/main/java/edu/wpi/first/wpilibj2/command/button/Trigger.java

@@ -472,10 +472,10 @@ public class Trigger implements BooleanSupplier {
   }
 
   /**
-   * Composes two triggers with logical OR.
+   * Composes two triggers with logical AND.
    *
    * @param trigger the condition to compose with
-   * @return A trigger which is active when either component trigger is active.
+   * @return A trigger which is active when both component triggers are active.
    */
   public Trigger and(BooleanSupplier trigger) {
     return new Trigger(() -> m_condition.getAsBoolean() && trigger.getAsBoolean());