Revert of Rebaseline imagemagnifier and dropshadowimagefilter tests.

expectations/gm/Test-ChromeOS-Link-HD4000-x86_64-Release/expected-results.json

 {
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           12831071530564277917
         ]
       ], 
       "bugs": [
@@ skipping 2780 matching lines @@
           "bitmap-64bitMD5", 
           10521895959783131624
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "dropshadowimagefilter_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          10690981673844438779
+          10074125510709354851
         ]
-      ], 
-      "reviewed-by-human": true
+      ]
     }, 
     "dropshadowimagefilter_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17741586089922604508
+          12348002540930970048
         ]
-      ], 
-      "reviewed-by-human": true
+      ]
     }, 
     "drrect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           7282537335075785928
         ]
       ], 
       "reviewed-by-human": true
     }, 
@@ skipping 1598 matching lines @@
           "bitmap-64bitMD5", 
           4353899728334541990
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "imagemagnifier_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          16124800527256131619
+          7955099457759770546
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "imagemagnifier_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          1411254310484647352
+          6913141539607550299
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "imageresizetiled_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           14800663625806780316
         ]
@@ skipping 2709 matching lines @@
           2149562185397201955
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }