Rebase a few GMs and remove some tests from ignored-tests.txt

expectations/gm/Test-ChromeOS-Alex-GMA3150-x86-Debug/expected-results.json

 {
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           12831071530564277917
         ]
       ], 
       "bugs": [
@@ skipping 4569 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "ninepatch-stretch_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          658488319621365114
+          18411873313823762166
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "ninepatch-stretch_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          11075155032292309506
+          14862133879758372505
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "nonclosedpaths_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           8797161389659029383
         ]
@@ skipping 1806 matching lines @@
           2149562185397201955
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }