rebaseline some more: imageblur, imagemagnification, and yet more gradient_radial2

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

Index: expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Debug/expected-results.json
diff --git a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Debug/expected-results.json b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Debug/expected-results.json
index 85bf85e7ceaef04433169714e1456dca79d62fa4..5b92cb8ca01034127e8e9902478a726ecede424d 100644
--- a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Debug/expected-results.json
+++ b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86_64-Debug/expected-results.json
@@ -7006,7 +7006,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          16898088691741136850
+          9170657630283407545
         ]
       ], 
       "ignore-failure": false
@@ -7015,7 +7015,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          10132160094605070184
+          12285576402237015093
         ]
       ], 
       "ignore-failure": false
@@ -7024,7 +7024,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          16846582696429548928
+          7520526279000552703
         ]
       ], 
       "ignore-failure": false
@@ -7033,7 +7033,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          7146055903283352309
+          6977401320822346760
         ]
       ], 
       "bugs": [
@@ -7159,7 +7159,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          10400534304711771456
+          8299288461197279043
         ]
       ], 
       "bugs": [
@@ -7171,7 +7171,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          594982316793984343
+          14153925644990924738
         ]
       ], 
       "bugs": [
@@ -7183,7 +7183,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17343940787182209195
+          6843280796489312112
         ]
       ], 
       "bugs": [
@@ -7195,7 +7195,7 @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          7146055903283352309
+          6977401320822346760
         ]
       ], 
       "bugs": [