Add 8888 & 565 baselines for multipicturedraw Sierpinski GM

TBR=jvanverth@google.com
NOTRY=true
NOTREECHECKS=true

Review URL: https://codereview.chromium.org/614353002
diff --git a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release/expected-results.json b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release/expected-results.json
index 916c9c5..14988e7 100644
--- a/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release/expected-results.json
+++ b/expectations/gm/Test-Win7-ShuttleA-HD2000-x86-Release/expected-results.json
@@ -9310,6 +9310,42 @@
       ], 
       "reviewed-by-human": false
     }, 
+    "multipicturedraw_sierpinski_simple_565.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          4845658184848704073
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "multipicturedraw_sierpinski_simple_8888.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          2192004841775153796
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "multipicturedraw_sierpinski_tiled_565.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          16099569713398443338
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "multipicturedraw_sierpinski_tiled_8888.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          6810056630430689828
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
     "nested_aa_565.png": {
       "allowed-digests": [
         [