Remove rects GM from ignored-tests.txt and rebaseline

expectations/gm/Test-Android-NexusS-SGX540-Arm7-Release/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 5260 matching lines @@
           "bitmap-64bitMD5", 
           11015686167059500454
         ]
       ], 
       "ignore-failure": false
     }, 
     "rects_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          8537349251170466267
+          8304629145373604760
         ]
       ], 
-      "ignore-failure": false
+      "reviewed-by-human": true
     }, 
     "rects_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          8768242891680984439
+          4452188589632355207
         ]
       ], 
-      "ignore-failure": false
+      "reviewed-by-human": true
     }, 
     "rects_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           5052956338821426066
         ]
       ], 
       "ignore-failure": false
     }, 
@@ skipping 1487 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           13705907398258757132
         ]
       ], 
       "ignore-failure": false
     }
   }
 }