Rebaseline multipicturedraw GMs

expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release-ANGLE/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 11278 matching lines @@
           "bitmap-64bitMD5", 
           17820913593613496819
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "multipicturedraw_sierpinski_simple_angle.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          16053188323643886170
+          10756704414532955739
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "multipicturedraw_sierpinski_tiled_angle.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          8616558671336586101
+          15496207471756325148
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "nested_aa_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           16123340172201812866
         ]
@@ skipping 4626 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           12937422788648264516
         ]
       ], 
       "reviewed-by-human": true
     }
   }
 }