rebaseline extractbitmap GMs, as the test itself changed

expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json

Index: expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json
diff --git a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json
index 44a9a3508e458ef441fbe81b8215826f48b1f3d9..ec20f7d10f40ee196f78014d3fd136a199953006 100644
--- a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json
+++ b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Release/expected-results.json
@@ -5204,37 +5204,28 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          6262841086313421656
+          10931473040653078858
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
-      "reviewed-by-human": false
+      "reviewed-by-human": true
     }, 
     "extractbitmap_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          6262841086313421656
+          10931473040653078858
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
-      "reviewed-by-human": false
+      "reviewed-by-human": true
     }, 
     "extractbitmap_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          6262841086313421656
+          10931473040653078858
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
-      "reviewed-by-human": false
+      "reviewed-by-human": true
     }, 
     "extractbitmap_pdf-poppler.png": {
       "allowed-digests": [