Add -ignorewarnings to run_on_app.py tests

Change-Id: I1058f3b4fbe941b197198dd2771c6d84bba0c87a
diff --git a/tools/nest_data.py b/tools/nest_data.py
index a87761d..5724e43 100644
--- a/tools/nest_data.py
+++ b/tools/nest_data.py
@@ -28,7 +28,8 @@
       'pgconf': [
           os.path.join(V20180926_BASE, 'proguard', 'proguard.cfg'),
           os.path.join(V20180926_BASE, 'proguard', 'proguard-no-optimizations.cfg'),
-          os.path.join(V20180926_BASE, 'proguard', 'proguard-ignore-warnings.cfg')],
+          os.path.join(V20180926_BASE, 'proguard', 'proguard-ignore-warnings.cfg'),
+          utils.IGNORE_WARNINGS_RULES],
       # Build for native multi dex
       'min-api' : ANDROID_L_API,
     }