rebaseline_server: apply ignored-tests.txt within rebaseline_server, not just on the bots

gm/rebaseline_server/testdata/outputs/expected/compare_configs_test.CompareConfigsTest.test_gm/gm.json

Index: gm/rebaseline_server/testdata/outputs/expected/compare_configs_test.CompareConfigsTest.test_gm/gm.json
diff --git a/gm/rebaseline_server/testdata/outputs/expected/compare_configs_test.CompareConfigsTest.test_gm/gm.json b/gm/rebaseline_server/testdata/outputs/expected/compare_configs_test.CompareConfigsTest.test_gm/gm.json
index 6d63113f374a3837344e6dfbb71538754492de03..d98ac41650e4eaa9c437ba672566385ddab1bdcc 100644
--- a/gm/rebaseline_server/testdata/outputs/expected/compare_configs_test.CompareConfigsTest.test_gm/gm.json
+++ b/gm/rebaseline_server/testdata/outputs/expected/compare_configs_test.CompareConfigsTest.test_gm/gm.json
@@ -15,7 +15,7 @@
         ], 
         [
           "Test-Mac10.7-MacMini4.1-GeForce320M-x86_64-Debug", 
-          3
+          4
         ]
       ]
     }, 
@@ -26,7 +26,7 @@
       "valuesAndCounts": [
         [
           "TODO", 
-          13
+          14
         ]
       ]
     }, 
@@ -41,7 +41,7 @@
         ], 
         [
           "no-comparison", 
-          7
+          8
         ], 
         [
           "succeeded", 
@@ -71,6 +71,10 @@
           1
         ], 
         [
+          "blanket-ignored", 
+          1
+        ], 
+        [
           "displacement", 
           2
         ], 
@@ -90,7 +94,7 @@
     }
   }, 
   "header": {
-    "dataHash": "-7043844904261310530", 
+    "dataHash": "-3232866296817265056", 
     "isEditable": false, 
     "isExported": true, 
     "schemaVersion": 3, 
@@ -232,6 +236,17 @@
       "isDifferent": false
     }, 
     {
+      "extraColumns": {
+        "builder": "Test-Mac10.7-MacMini4.1-GeForce320M-x86_64-Debug", 
+        "config": "TODO", 
+        "resultType": "no-comparison", 
+        "test": "blanket-ignored"
+      }, 
+      "imageAUrl": "bitmap-64bitMD5/blanket-ignored/22222222.png", 
+      "imageBUrl": null, 
+      "isDifferent": true
+    }, 
+    {
       "differenceData": {
         "maxDiffPerChannel": [
           136,