Rebaseline msaa4 images for scaled_tilemodes_npot on Galaxy Nexus. Images are known to be bad.

expectations/gm/Test-Android-GalaxyNexus-SGX540-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 5515 matching lines @@
       "reviewed-by-human": false
     }, 
     "scaled_tilemodes_npot_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           17792967318333770103
         ]
       ], 
       "bugs": [
-        1603
+        1656
       ], 
       "reviewed-by-human": false
     }, 
     "scaled_tilemodes_npot_msaa4.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          13628663996428354809
+          16485479097888567500
         ]
       ], 
       "bugs": [
-        1603
+        1656
       ], 
       "reviewed-by-human": false
     }, 
     "selftest1_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           12927999507540085554
         ]
       ], 
@@ skipping 1020 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           9426889969709537348
         ]
       ], 
       "ignore-failure": false
     }
   }
 }