[Skia] Convert SKPs 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 31 matching lines @@
       "@@@STEP_LOG_LINE@json.output@  \"upload_perf_results\": true@@@",
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
-      "[SLAVE_BUILD]/tmp/SKP_VERSION",
+      "[SLAVE_BUILD]/skia/infra/bots/assets/skp/VERSION",
       "/path/to/tmp/"
     ],
-    "name": "Get downloaded SKP_VERSION"
+    "name": "Get downloaded SKP VERSION"
   },
   {
     "cmd": [
+      "python",
+      "-u",
+      "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
+      "42",
+      "[SLAVE_BUILD]/tmp/SKP_VERSION"
+    ],
+    "name": "write SKP_VERSION"
+  },
+  {
+    "cmd": [
       "python",
       "-u",
       "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
       "[SLAVE_BUILD]/skia/infra/bots/assets/skimage/VERSION",
       "/path/to/tmp/"
     ],
     "name": "Get downloaded skimage VERSION"
   },
   {
     "cmd": [
@@ skipping 50 matching lines @@
     ]
   },
   {
     "cmd": [
       "catchsegv",
       "[SLAVE_BUILD]/out/Release/visualbench",
       "--undefok",
       "-i",
       "[SLAVE_BUILD]/skia/resources",
       "--skps",
-      "[SLAVE_BUILD]/skps",
+      "[SLAVE_BUILD]/skp",
       "--images",
       "[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",
@@ skipping 44 matching lines @@
       "@@@STEP_LOG_LINE@python.inline@  os.makedirs(path, mode)@@@",
       "@@@STEP_LOG_END@python.inline@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]