Fix missing newline at end of file in android.touch module

Author: kengoon

pythonforandroid/recipes/android/src/android/touch.py

@@ -228,4 +228,4 @@ def _pick(cls, widget, x, y):
             # current widget.
             lx, ly = nlx, nly
             # Continue descent into the chosen child
-            current = hit_child
+            current = hit_child