Enable presubmit pylint in build/android.

build/android/pylib/instrumentation/test_jar.py

Index: build/android/pylib/instrumentation/test_jar.py
diff --git a/build/android/pylib/instrumentation/test_jar.py b/build/android/pylib/instrumentation/test_jar.py
index 21ce8402b15a8fd2e50c105f19caeae369b3b212..5678215dc9476d3259330b5f3a5eacdc0b72f370 100644
--- a/build/android/pylib/instrumentation/test_jar.py
+++ b/build/android/pylib/instrumentation/test_jar.py
@@ -127,7 +127,8 @@ class TestJar(object):
   def _GetAnnotationMap(self):
     return self._annotation_map
 
-  def _IsTestMethod(self, test):
+  @staticmethod
+  def _IsTestMethod(test):
     class_name, method = test.split('#')
     return class_name.endswith('Test') and method.startswith('test')
 
@@ -137,7 +138,8 @@ class TestJar(object):
       return []
     return self._GetAnnotationMap()[test]
 
-  def _AnnotationsMatchFilters(self, annotation_filter_list, annotations):
+  @staticmethod
+  def _AnnotationsMatchFilters(annotation_filter_list, annotations):
     """Checks if annotations match any of the filters."""
     if not annotation_filter_list:
       return True
@@ -173,7 +175,7 @@ class TestJar(object):
         tests_missing_annotations.append(test_method)
     return sorted(tests_missing_annotations)
 
-  def _GetAllMatchingTests(self, annotation_filter_list,
+  def GetAllMatchingTests(self, annotation_filter_list,
                            exclude_annotation_list, test_filter):
     """Get a list of tests matching any of the annotations and the filter.