[Skia] Convert SKPs to a CIPD package

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

 [
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/skia/tools/buildbot_spec.py",
       "/path/to/tmp/json",
       "Test-Ubuntu-GCC-ShuttleA-GPU-GTX550Ti-x86_64-Release-Valgrind"
     ],
     "cwd": "[SLAVE_BUILD]/skia",
@@ skipping 32 matching lines @@
       "@@@STEP_LOG_LINE@json.output@  \"upload_perf_results\": false@@@",
       "@@@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 12 matching lines @@
       "--leak-check=full",
       "--track-origins=yes",
       "--error-exitcode=1",
       "--num-callers=40",
       "--suppressions=[SLAVE_BUILD]/skia/tools/valgrind.supp",
       "[SLAVE_BUILD]/out/Release/nanobench",
       "--undefok",
       "-i",
       "[SLAVE_BUILD]/skia/resources",
       "--skps",
-      "[SLAVE_BUILD]/skps",
+      "[SLAVE_BUILD]/skp",
       "--images",
       "[SLAVE_BUILD]/skimage/nanobench",
       "--nocpu",
       "--dummy-flags"
     ],
     "env": {
       "BUILDTYPE": "Release",
       "CHROME_HEADLESS": "1",
       "GYP_DEFINES": "skia_arch_type=x86_64 skia_release_optimization_level=1 skia_warnings_as_errors=0",
       "PYTHONPATH": "[BUILD]/scripts",
       "SKIA_OUT": "[SLAVE_BUILD]/out"
     },
     "name": "nanobench"
   },
   {
     "cmd": [
       "valgrind",
       "--gen-suppressions=all",
       "--leak-check=full",
       "--track-origins=yes",
       "--error-exitcode=1",
       "--num-callers=40",
       "--suppressions=[SLAVE_BUILD]/skia/tools/valgrind.supp",
       "[SLAVE_BUILD]/out/Release/nanobench",
       "--undefok",
       "-i",
       "[SLAVE_BUILD]/skia/resources",
       "--skps",
-      "[SLAVE_BUILD]/skps",
+      "[SLAVE_BUILD]/skp",
       "--images",
       "[SLAVE_BUILD]/skimage/nanobench",
       "--nocpu",
       "--dummy-flags",
       "--abandonGpuContext",
       "--nocpu"
     ],
     "env": {
       "BUILDTYPE": "Release",
       "CHROME_HEADLESS": "1",
       "GYP_DEFINES": "skia_arch_type=x86_64 skia_release_optimization_level=1 skia_warnings_as_errors=0",
       "PYTHONPATH": "[BUILD]/scripts",
       "SKIA_OUT": "[SLAVE_BUILD]/out"
     },
     "name": "nanobench --abandonGpuContext"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]