Add a constructor to VerifyException to permit a cause to provided alongside a message.

-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=80128106

Author: hamptos

guava/src/com/google/common/base/VerifyException.java

@@ -36,4 +36,24 @@ public VerifyException() {}
   public VerifyException(@Nullable String message) {
     super(message);
   }
+
+  /**
+   * Constructs a {@code VerifyException} with the cause {@code cause} and a message that is
+   * {@code null} if {@code cause} is null, and {@code cause.toString()} otherwise.
+   *
+   * @since 19.0
+   */
+  public VerifyException(@Nullable Throwable cause) {
+    super(cause);
+  }
+
+  /**
+   * Constructs a {@code VerifyException} with the message {@code message} and the cause
+   * {@code cause}.
+   *
+   * @since 19.0
+   */
+  public VerifyException(@Nullable String message, @Nullable Throwable cause) {
+    super(message, cause);
+  }
 }