blacklist cpu cacherator tests in replay modes

CQ_EXTRA_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Debug-SK_USE_DISCARDABLE_SCALEDIMAGECACHE-Trybot,Test-Win8-MSVC-ShuttleB-CPU-AVX2-x86-Debug-Trybot

BUG=skia:4703
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1570323004

Review URL: https://codereview.chromium.org/1570323004
diff --git a/tools/dm_flags.py b/tools/dm_flags.py
index 3e69661..8d74450 100755
--- a/tools/dm_flags.py
+++ b/tools/dm_flags.py
@@ -197,11 +197,19 @@
                'drawfilter',
                'path_stroke_with_zero_length',
                'textblobgeometrychange']:
-    blacklist.extend(['pic-8888', 'gm', '_', test])
+    blacklist.extend([    'sp-8888', 'gm', '_', test])
+    blacklist.extend([   'pic-8888', 'gm', '_', test])
     blacklist.extend(['2ndpic-8888', 'gm', '_', test])
-    blacklist.extend(['sp-8888', 'gm', '_', test])
   for test in ['patch_primitive']:
     blacklist.extend(['sp-8888', 'gm', '_', test])
+  # skia:4703
+  for test in ['image-cacherator-from-picture',
+               'image-cacherator-from-raster',
+               'image-cacherator-from-ctable']:
+    blacklist.extend([       'sp-8888', 'gm', '_', test])
+    blacklist.extend([      'pic-8888', 'gm', '_', test])
+    blacklist.extend([   '2ndpic-8888', 'gm', '_', test])
+    blacklist.extend(['serialize-8888', 'gm', '_', test])
 
   if blacklist:
     args.append('--blacklist')