Rebaseline hairline images & remove suppression

expectations/gm/Test-Android-NexusS-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 4012 matching lines @@
           "bitmap-64bitMD5", 
           4580386101978586468
         ]
       ], 
       "ignore-failure": false
     }, 
     "hairlines_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          6722248779917399197
+          14421755267650540104
         ]
       ]
     }, 
     "hairlines_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          15892813490397278600
+          12119136699631166875
         ]
       ]
     }, 
     "hairlines_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           13732456432371006725
         ]
       ]
@@ skipping 2498 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           1893175418427715444
         ]
       ], 
       "ignore-failure": false
     }
   }
 }