Some more medium/MIP downsample gpu rebaslines and misc gpu innocuous rebaselines

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 5706 matching lines @@
       ], 
       "bugs": [
         1603
       ], 
       "reviewed-by-human": false
     }, 
     "scaled_tilemodes_npot_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          7183890193444585102
+          7219934305765304429
         ]
       ], 
-      "bugs": [
-        1656
-      ], 
-      "reviewed-by-human": false
+      "reviewed-by-human": true
     }, 
     "scaled_tilemodes_npot_msaa4.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           16485479097888567500
         ]
       ], 
       "bugs": [
         1656
@@ skipping 1184 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           4150129235101920096
         ]
       ], 
       "ignore-failure": false
     }
   }
 }