ITS: Increase ATOl values for RGB means/variances.

bug: 173154486
Change-Id: I5b5d635878377fda3f28ebeb50d79b187e1eb3bd
diff --git a/apps/CameraITS/tests/scene0/test_solid_color_test_pattern.py b/apps/CameraITS/tests/scene0/test_solid_color_test_pattern.py
index 1c6f58e..e3336a6 100644
--- a/apps/CameraITS/tests/scene0/test_solid_color_test_pattern.py
+++ b/apps/CameraITS/tests/scene0/test_solid_color_test_pattern.py
@@ -28,8 +28,8 @@
 
 _BW_CH_ATOL = 6  # DN in [0,255]
 _RGB_PRIMARY_MIN = 200
-_RGB_SECONDARY_MAX = 55
-_CH_VARIANCE_ATOL = 17
+_RGB_SECONDARY_MAX = 60
+_CH_VARIANCE_ATOL = 30
 _OFF = 0x00000000
 _SAT = 0xFFFFFFFF
 _NAME = os.path.basename(__file__).split('.')[0]