Refactor the way that TestApi works so that it is actually useful.

scripts/slave/recipe_modules/android/test_api.py

Index: scripts/slave/recipe_modules/android/test_api.py
diff --git a/scripts/slave/recipe_modules/android/test_api.py b/scripts/slave/recipe_modules/android/test_api.py
new file mode 100644
index 0000000000000000000000000000000000000000..de924ba212a93aa512a48082bcbac9a253f1d412
--- /dev/null
+++ b/scripts/slave/recipe_modules/android/test_api.py
@@ -0,0 +1,11 @@
+from slave import recipe_test_api
+
+class AOSPTestApi(recipe_test_api.RecipeTestApi):
+  def calculate_trimmed_deps(self):
+    return self.m.json.output({
+      'blacklist': {
+        'src/blacklist/project/1': None,
+        'src/blacklist/project/2': None,
+      }
+    })
+