[Skia] Convert Sk Images to a CIPD package

scripts/slave/recipes/skia/swarm_perf.expected/Perf-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-VisualBench.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/skia/tools/buildbot_spec.py",
       "/path/to/tmp/json",
       "Perf-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-VisualBench"
     ],
     "cwd": "[SLAVE_BUILD]/skia",
@@ skipping 41 matching lines @@
       "[SLAVE_BUILD]/tmp/SKP_VERSION",
       "/path/to/tmp/"
     ],
     "name": "Get downloaded SKP_VERSION"
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
-      "[SLAVE_BUILD]/tmp/SK_IMAGE_VERSION",
+      "[SLAVE_BUILD]/skia/infra/bots/assets/skimage/VERSION",
       "/path/to/tmp/"
     ],
-    "name": "Get downloaded SK_IMAGE_VERSION"
+    "name": "Get downloaded skimage VERSION"
   },
   {
     "cmd": [
+      "python",
+      "-u",
+      "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
+      "42",
+      "[SLAVE_BUILD]/tmp/SK_IMAGE_VERSION"
+    ],
+    "name": "write SK_IMAGE_VERSION"
+  },
+  {
+    "cmd": [
       "python",
       "-u",
       "\nimport os, sys\nfrom common import chromium_utils # Error? See https://crbug.com/584783.\n\n\nif os.path.exists(sys.argv[1]):\n  chromium_utils.RemoveDirectory(sys.argv[1])\n",
       "[CUSTOM_[SWARM_OUT_DIR]]/perfdata/Perf-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-VisualBench/data"
     ],
     "env": {
       "PYTHONPATH": "build/scripts"
     },
     "name": "rmtree data",
     "~followup_annotations": [
@@ skipping 32 matching lines @@
   {
     "cmd": [
       "catchsegv",
       "[SLAVE_BUILD]/out/Release/visualbench",
       "--undefok",
       "-i",
       "[SLAVE_BUILD]/skia/resources",
       "--skps",
       "[SLAVE_BUILD]/skps",
       "--images",
-      "[SLAVE_BUILD]/images/nanobench",
+      "[SLAVE_BUILD]/skimage/nanobench",
       "--nocpu",
       "--dummy-flags",
       "--outResultsFile",
       "[CUSTOM_[SWARM_OUT_DIR]]/perfdata/Perf-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-VisualBench/data/nanobench_abc123.json",
       "--properties",
       "gitHash",
       "abc123",
       "build_number",
       "5",
       "--key",
@@ skipping 42 matching lines @@
       "@@@STEP_LOG_LINE@python.inline@  os.makedirs(path, mode)@@@",
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]