[Android] Temporarily suppress RTL start&end check error.

The newest Android SDK had start&end attributes in non -v17 resources.
Temporarily change the checking script from error to warning so that
people can continue to work before it is fixed. This should be
reverted once the issue is addressed

BUG=None

Review URL: https://codereview.chromium.org/445753002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@287711 0039d316-1c4b-4281-b951-d872f2087c98

build/android/gyp/generate_v14_compatible_resources.py

@@ -226,7 +226,7 @@ def VerifyV14ResourcesInDir(input_dir, resource_type):
   don't use attributes that cause crashes on certain devices. Print an error if
   they have."""
   for input_filename in build_utils.FindInDirectory(input_dir, '*.xml'):
-    exception_message = ('error : ' + input_filename + ' has an RTL attribute, '
+    warning_message = ('warning : ' + input_filename + ' has an RTL attribute, '
                        'i.e., attribute that has "start" or "end" in its name.'
                        ' Pre-v17 resources should not include it because it '
                        'can cause crashes on certain devices. Please refer to '
@@ -234,10 +234,10 @@ def VerifyV14ResourcesInDir(input_dir, resource_type):
     dom = minidom.parse(input_filename)
     if resource_type in ('layout', 'xml'):
       if GenerateV14LayoutResourceDom(dom, input_filename, False):
-        raise Exception(exception_message)
+        print warning_message
     elif resource_type == 'values':
       if GenerateV14StyleResourceDom(dom, input_filename, False):
-        raise Exception(exception_message)
+        print warning_message
 
 
 def AssertNoDeprecatedAttributesInDir(input_dir, resource_type):