Add buggy GPU baselines for MultiPictureDraw Sierpinski GM (with bug label)

expectations/gm/Test-Android-Reference-Unknown-Arm64-Release/expected-results.json

Index: expectations/gm/Test-Android-Reference-Unknown-Arm64-Release/expected-results.json
diff --git a/expectations/gm/Test-Android-Reference-Unknown-Arm64-Release/expected-results.json b/expectations/gm/Test-Android-Reference-Unknown-Arm64-Release/expected-results.json
index 1cfe45e1062d6e509bcebaf70510a263b1985236..158c584c24df23fc0bd044706b61d864fa648e9a 100644
--- a/expectations/gm/Test-Android-Reference-Unknown-Arm64-Release/expected-results.json
+++ b/expectations/gm/Test-Android-Reference-Unknown-Arm64-Release/expected-results.json
@@ -8660,6 +8660,42 @@
       ], 
       "reviewed-by-human": true
     }, 
+    "multipicturedraw_sierpinski_simple_gpu.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          16885876554717619098
+        ]
+      ], 
+      "bugs": [
+        2979
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "multipicturedraw_sierpinski_simple_msaa16.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          14965052983855709506
+        ]
+      ], 
+      "bugs": [
+        2979
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "multipicturedraw_sierpinski_simple_nvprmsaa4.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          5939988407864705578
+        ]
+      ], 
+      "bugs": [
+        2979
+      ], 
+      "reviewed-by-human": true
+    }, 
     "multipicturedraw_sierpinski_tiled_565.png": {
       "allowed-digests": [
         [
@@ -8678,6 +8714,42 @@
       ], 
       "reviewed-by-human": true
     }, 
+    "multipicturedraw_sierpinski_tiled_gpu.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          16431098041911666171
+        ]
+      ], 
+      "bugs": [
+        2979
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "multipicturedraw_sierpinski_tiled_msaa16.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          13546453153187440658
+        ]
+      ], 
+      "bugs": [
+        2979
+      ], 
+      "reviewed-by-human": true
+    }, 
+    "multipicturedraw_sierpinski_tiled_nvprmsaa4.png": {
+      "allowed-digests": [
+        [
+          "bitmap-64bitMD5", 
+          5398697267175516730
+        ]
+      ], 
+      "bugs": [
+        2979
+      ], 
+      "reviewed-by-human": true
+    }, 
     "nested_aa_565.png": {
       "allowed-digests": [
         [