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-ChromeOS-Link-HD4000-x86_64-Debug/expected-results.json b/expectations/gm/Test-ChromeOS-Link-HD4000-x86_64-Debug/expected-results.json
index c99f0af..eb6bffb 100644
--- a/expectations/gm/Test-ChromeOS-Link-HD4000-x86_64-Debug/expected-results.json
+++ b/expectations/gm/Test-ChromeOS-Link-HD4000-x86_64-Debug/expected-results.json
@@ -5006,6 +5006,42 @@
       ], 
       "reviewed-by-human": false
     }, 
+    "multipicturedraw_sierpinski_simple_565.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          1686462708228710717
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "multipicturedraw_sierpinski_simple_8888.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          1307763914269045402
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "multipicturedraw_sierpinski_tiled_565.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          13056400496713195431
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "multipicturedraw_sierpinski_tiled_8888.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          16172597233376362182
+        ]
+      ], 
+      "reviewed-by-human": true
+    }, 
     "nested_aa_565.png": {
       "allowed-digests": [
         [