pdf-mac clear to black rebaseline

expectations/gm/Test-Mac10.7-MacMini4.1-GeForce320M-x86_64-Debug/expected-results.json

Index: expectations/gm/Test-Mac10.7-MacMini4.1-GeForce320M-x86_64-Debug/expected-results.json
diff --git a/expectations/gm/Test-Mac10.7-MacMini4.1-GeForce320M-x86_64-Debug/expected-results.json b/expectations/gm/Test-Mac10.7-MacMini4.1-GeForce320M-x86_64-Debug/expected-results.json
index 4a7ca9f903b885a67f91cfca755ac55dc77d1ec9..56340a8bbdab10b53a2dbfe5cc2d8040bd0dfaf1 100644
--- a/expectations/gm/Test-Mac10.7-MacMini4.1-GeForce320M-x86_64-Debug/expected-results.json
+++ b/expectations/gm/Test-Mac10.7-MacMini4.1-GeForce320M-x86_64-Debug/expected-results.json
@@ -5121,10 +5121,10 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          5557054264948942887
+          15967084461769578851
         ]
       ], 
-      "reviewed-by-human": true
+      "reviewed-by-human": false
     }, 
     "coloremoji_565.png": {
       "allowed-digests": [
@@ -6944,11 +6944,11 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          7006120129941369043
+          3956162808902913477
         ]
       ], 
       "ignore-failure": false, 
-      "reviewed-by-human": true
+      "reviewed-by-human": false
     }, 
     "displacement_pdf-poppler.png": {
       "allowed-digests": [
@@ -13976,11 +13976,11 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          11408269879068023087
+          14538925139014693261
         ]
       ], 
       "ignore-failure": false, 
-      "reviewed-by-human": true
+      "reviewed-by-human": false
     }, 
     "offsetimagefilter_pdf-poppler.png": {
       "allowed-digests": [
@@ -14700,12 +14700,9 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          9642424294640112060
+          17120868825023817733
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
       "reviewed-by-human": false
     }, 
     "perlinnoise_pdf-poppler.png": {
@@ -18159,11 +18156,11 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17889332793205793333
+          3824408873020225049
         ]
       ], 
       "ignore-failure": false, 
-      "reviewed-by-human": true
+      "reviewed-by-human": false
     }, 
     "tileimagefilter_pdf-poppler.png": {
       "allowed-digests": [
@@ -19107,11 +19104,11 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          5255340625902932272
+          11258531395343605548
         ]
       ], 
       "ignore-failure": false, 
-      "reviewed-by-human": true
+      "reviewed-by-human": false
     }, 
     "xfermodeimagefilter_pdf-poppler.png": {
       "allowed-digests": [