Mark pdf filterbitmap images as failure ignored

expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release-ANGLE/expected-results.json

Index: expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release-ANGLE/expected-results.json
diff --git a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release-ANGLE/expected-results.json b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release-ANGLE/expected-results.json
index 0ebb9fbf94573e79940e20f1783a91e37917e6cb..380565c62fecbd9fae2f4c8da5bba73133206bd8 100644
--- a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release-ANGLE/expected-results.json
+++ b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release-ANGLE/expected-results.json
@@ -7175,12 +7175,10 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          14199114143110052993
+          13004909597247281563
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_checkerboard_32_2_565.png": {
@@ -7223,12 +7221,10 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          13869326896548536312
+          18444539834437971943
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_checkerboard_32_32_565.png": {
@@ -7271,12 +7267,10 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          4075616322670456035
+          10947750880182249988
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_checkerboard_32_8_565.png": {
@@ -7319,12 +7313,10 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          15358045633896345106
+          3205779391809712145
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_checkerboard_4_4_565.png": {
@@ -7367,12 +7359,10 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          6469355008067410964
+          10295529840226518047
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_image_mandrill_128.png_565.png": {
@@ -7415,12 +7405,10 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          1927310655351769469
+          18151285181604935806
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_image_mandrill_16.png_565.png": {
@@ -7463,12 +7451,10 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          3839747123012665825
+          7096762157070022778
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_image_mandrill_256.png_565.png": {
@@ -7511,12 +7497,10 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12289549291038324002
+          15118912166828841078
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_image_mandrill_32.png_565.png": {
@@ -7559,12 +7543,10 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          3005060272187674694
+          11324987060954080537
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_image_mandrill_512.png_565.png": {
@@ -7607,12 +7589,10 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          1866160515636785656
+          13858594519782999967
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_image_mandrill_64.png_565.png": {
@@ -7655,12 +7635,10 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          7054065765090828569
+          4012798572929329761
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_text_10.00pt_565.png": {
@@ -7703,12 +7681,10 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          6456457240544710745
+          13241224915126890867
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_text_3.00pt_565.png": {
@@ -7751,12 +7727,10 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          11473848499279419638
+          9091832435265748234
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "filterbitmap_text_7.00pt_565.png": {
@@ -7799,12 +7773,10 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          446266135049084915
+          15239359644602915396
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "fontcache_angle.png": {