Rebaseline complexclip tests on GPU and remove them from ignored-tests

expectations/gm/Test-Mac10.7-MacMini4.1-GeForce320M-x86_64-Release/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 4042 matching lines @@
           "bitmap-64bitMD5", 
           3809590124209857421
         ]
       ], 
       "ignore-failure": false
     }, 
     "complexclip_aa_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          3279767288317951464
+          17561903083126099983
         ]
       ], 
       "ignore-failure": false
     }, 
     "complexclip_aa_layer_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           7583681819040202951
         ]
       ], 
       "ignore-failure": false
     }, 
     "complexclip_aa_layer_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           1230999868990378393
         ]
       ], 
       "ignore-failure": false
     }, 
     "complexclip_aa_layer_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          3994792385541458911
+          2259819085307305968
         ]
       ], 
       "ignore-failure": false
     }, 
     "complexclip_aa_layer_mesa.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           4428604781110952285
         ]
@@ skipping 9062 matching lines @@
           10424380103329133154
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }