Remove rects GM from ignored-tests.txt and rebaseline

expectations/gm/Test-Ubuntu12-ShuttleA-ATI5770-x86_64-Debug/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 8827 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "rects_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          9485989772889952388
+          11839371522520661517
         ]
       ], 
-      "ignore-failure": false
+      "reviewed-by-human": true
     }, 
     "rects_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          9228687840939077483
+          7079265752628901270
         ]
       ], 
-      "ignore-failure": false
+      "reviewed-by-human": true
     }, 
     "rects_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          9478190265748967534
+          13600145299430258584
         ]
       ], 
-      "ignore-failure": false
+      "reviewed-by-human": true
     }, 
     "rects_pdf-poppler.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           565498776261988620
         ]
       ], 
       "bugs": [
         1578
@@ skipping 2368 matching lines @@
           12332625502817210303
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }