More SkPictureShader baselines.

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 10492 matching lines @@
     }, 
     "pictureshader_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           3012982612160011296
         ]
       ], 
       "reviewed-by-human": true
     }, 
+    "pictureshader_8888.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          18338139396266575549
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "pictureshader_gpu.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          17107820280284794071
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "pictureshader_pdf-mac.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          16651068500560152330
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
     "points_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           9418063666161005464
         ]
       ], 
       "ignore-failure": false
     }, 
     "points_8888.png": {
@@ skipping 3401 matching lines @@
           7829854837061118142
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }