Mark images with busted concial gradients as ignore failure on N10, N4, and RHB

expectations/gm/Test-Android-Nexus4-Adreno320-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 4984 matching lines @@
           "bitmap-64bitMD5", 
           11233985797286739496
         ]
       ], 
       "ignore-failure": false
     }, 
     "gradients_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          566627481984638338
+          1519265178917908835
         ]
       ], 
       "bugs": [
         1578
       ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "gradients_local_perspective_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           17480568160582763810
         ]
       ], 
       "bugs": [
@@ skipping 10 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "gradients_local_perspective_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          9961531411644325085
+          7894968237305173737
         ]
       ], 
       "bugs": [
         1578
       ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "gradients_view_perspective_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           7975946827704425755
         ]
       ], 
       "bugs": [
@@ skipping 10 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "gradients_view_perspective_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          9117672881866692898
+          16191503273007422011
         ]
       ], 
       "bugs": [
         1578
       ], 
+      "ignore-failure": true, 
       "reviewed-by-human": false
     }, 
     "gradtext_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           6616111556568413637
         ]
       ], 
       "bugs": [
@@ skipping 3222 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           9019242913965337895
         ]
       ], 
       "ignore-failure": false
     }
   }
 }