Fixed unicode strings in android module recipe, broken in rebase

Author: inclement

pythonforandroid/recipes/android/__init__.py

@@ -43,8 +43,8 @@ def prebuild_arch(self, arch):
         if is_sdl2 or is_webview:
             if is_sdl2:
                 bootstrap = 'sdl2'
-            java_ns = 'org.kivy.android'
-            jni_ns = 'org/kivy/android'
+            java_ns = u'org.kivy.android'
+            jni_ns = u'org/kivy/android'
         else:
             logger.error((
                 'unsupported bootstrap for android recipe: {}'