rebaseline medium quality downscale images after mipmap change

expectations/gm/Test-Android-Nexus7-Tegra3-Arm7-Debug/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 580 matching lines @@
       "bugs": [
         1934
       ], 
       "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "bleed_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          14585687569066230878
+          10150239876809696907
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "blurquickreject_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           14575894174086753692
         ]
@@ skipping 2706 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "downsamplebitmap_image_medium_mandrill_512.png_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          2856944125483502533
+          12594265632012724270
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
-      "reviewed-by-human": false
+      "reviewed-by-human": true
     }, 
     "downsamplebitmap_image_none_mandrill_512.png_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           14270272450959568098
         ]
       ], 
       "bugs": [
         1578
@@ skipping 4585 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           9347373815292268764
         ]
       ], 
       "ignore-failure": false
     }
   }
 }