fix javadocs for TakesScreenshot and OutputType (#2446)

Author: alb-i986

java/client/src/org/openqa/selenium/OutputType.java

@@ -24,8 +24,7 @@
 import java.util.Base64;
 
 /**
- * Defines the output type for a screenshot. See org.openqa.selenium.Screenshot for usage and
- * examples.
+ * Defines the output type for a screenshot.
  *
  * @see TakesScreenshot
  * @param <T> Type for the screenshot output.

java/client/src/org/openqa/selenium/TakesScreenshot.java

@@ -23,10 +23,8 @@
  * Example usage:
  *
  * <pre>
- * import static openqa.selenium.OutputType.*;
- *
- * File screenshotFile = ((Screenshot)driver).getScreenshotAs(file);
- * String screenshotBase64 = ((Screenshot)driver).getScreenshotAs(base64);
+ * File screenshotFile = ((TakesScreenshot) driver).getScreenshotAs(OutputType.FILE);
+ * String screenshotBase64 = ((TakesScreenshot) driver).getScreenshotAs(OutputType.BASE64);
  * </pre>
  *
  * @see OutputType
@@ -47,7 +45,7 @@ public interface TakesScreenshot {
    * <p>For WebElement extending TakesScreenshot, this makes a best effort
    * depending on the browser to return the following in order of preference:
    *   - The entire content of the HTML element
-   *   - The visisble portion of the HTML element
+   *   - The visible portion of the HTML element
    *
    * @param <X> Return type for getScreenshotAs.
    * @param target target type, @see OutputType