Ignore begin/end newlines for Android

These are non significant whitespaces there as well.
Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/trans/formats.py

@@ -820,7 +820,12 @@ class AndroidFormat(FileFormat):
     loader = ('aresource', 'AndroidResourceFile')
     monolingual = True
     # Whitespace is ignored in this format
-    check_flags = ('ignore-begin-space', 'ignore-end-space')
+    check_flags = (
+        'ignore-begin-space',
+        'ignore-end-space',
+        'ignore-begin-newline',
+        'ignore-end-newline',
+    )
 
     @classmethod
     def supports_new_language(cls):