DO NOT MERGE: CameraITS: relax test_blackwhite threshold

Change-Id: I6815bab3b45eef697851de62583a802f1a7bf01a
diff --git a/apps/CameraITS/tests/scene1/test_black_white.py b/apps/CameraITS/tests/scene1/test_black_white.py
index 68d7de6..56bc5ec 100644
--- a/apps/CameraITS/tests/scene1/test_black_white.py
+++ b/apps/CameraITS/tests/scene1/test_black_white.py
@@ -76,9 +76,9 @@
         matplotlib.pyplot.savefig("%s_plot_means.png" % (NAME))
 
         for val in black_means:
-            assert(val < 0.025)
+            assert(val < 0.035)
         for val in white_means:
-            assert(val > 0.975)
+            assert(val > 0.965)
 
 if __name__ == '__main__':
     main()