Code snippet for long press in Android Touchevent (Java and Python)

Updating python script for longclick  touchevent in android.

docs/touch-actions.md

@@ -13,6 +13,7 @@ new TouchActions(driver).longPress(imageView).perform();
 
 For Android Application:
 
+Java:
 ```java
 WebElement element = wd.findElement(By.name("API Demo"));
 JavascriptExecutor js = (JavascriptExecutor) wd;
@@ -21,6 +22,12 @@ tapObject.put("element", ((RemoteWebElement) element).getId());
 js.executeScript("mobile: longClick", tapObject);
 ```
 
+Python:
+```python
+element = wd.find_element_by_xpath("your_element_xpath")
+wd.execute_script("mobile: longClick",{ "touchCount": 1, "x": 0, "y": 300, "element":element.id })
+```
+
 Currently Appium support some of the gestures in the Touch Actions API:
 
 * flick