rebaselines for shadertext after unitmapper removal

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

 {
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           12831071530564277917
         ]
       ], 
       "bugs": [
@@ skipping 5451 matching lines @@
           "bitmap-64bitMD5", 
           6184613594252421386
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "shadertext_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12413484762885874737
+          12300021040423412330
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "shadertext_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          1848786288685381877
+          4063155744015088621
         ]
       ], 
-      "bugs": [
-        1578
-      ], 
-      "reviewed-by-human": false
+      "reviewed-by-human": true
     }, 
     "shadows_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           11496795807715360050
         ]
       ], 
       "bugs": [
         1578
@@ skipping 939 matching lines @@
           2149562185397201955
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }