Rebaseline hairline images & remove suppression

expectations/gm/Test-Android-IntelRhb-SGX544-x86-Release/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 3616 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "hairlines_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          1563669411226163927
+          17024602512928277966
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "hairlines_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          15892813490397278600
+          12119136699631166875
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
+    "hairlines_gpu.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          4876423282954113418
+        ]
+      ]
+    }, 
     "hairmodes_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           13753109946556116551
         ]
       ], 
       "bugs": [
         1578
       ], 
@@ skipping 2288 matching lines @@
           4923266169994338413
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }