Skia Appurify bot: write nanobench flags to an asset file

scripts/slave/recipes/skia/skia.expected/Perf-Android-GCC-Nexus5-GPU-Adreno330-Arm7-Release-Appurify.json

 [
   {
     "cmd": [
       "git",
       "fetch"
     ],
     "cwd": "[SLAVE_BUILD]/skia",
     "name": "git fetch"
   },
   {
@@ skipping 112 matching lines @@
     "env": {
       "BUILDTYPE": "Release",
       "GYP_DEFINES": "skia_arch_type=arm skia_warnings_as_errors=0",
       "SKIA_OUT": "[SLAVE_BUILD]/skia/out/Perf-Android-GCC-Nexus5-GPU-Adreno330-Arm7-Release-Appurify"
     },
     "name": "has ccache?",
     "stdout": "/path/to/tmp/"
   },
   {
     "cmd": [
+      "python",
+      "-u",
+      "\nimport os, sys\nfrom common import chromium_utils\n\nif os.path.exists(sys.argv[1]):\n  chromium_utils.RemoveDirectory(sys.argv[1])\n",
+      "[SLAVE_BUILD]/skia/platform_tools/android/apps/visualbench/src/main/assets"
+    ],
+    "cwd": "[SLAVE_BUILD]",
+    "name": "rmtree assets",
+    "~followup_annotations": [
+      "@@@STEP_LOG_LINE@python.inline@@@@",
+      "@@@STEP_LOG_LINE@python.inline@import os, sys@@@",
+      "@@@STEP_LOG_LINE@python.inline@from common import chromium_utils@@@",
+      "@@@STEP_LOG_LINE@python.inline@@@@",
+      "@@@STEP_LOG_LINE@python.inline@if os.path.exists(sys.argv[1]):@@@",
+      "@@@STEP_LOG_LINE@python.inline@  chromium_utils.RemoveDirectory(sys.argv[1])@@@",
+      "@@@STEP_LOG_END@python.inline@@@"
+    ]
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "\nimport sys, os\npath = sys.argv[1]\nmode = int(sys.argv[2])\nif not os.path.isdir(path):\n  if os.path.exists(path):\n    print \"%s exists but is not a dir\" % path\n    sys.exit(1)\n  os.makedirs(path, mode)\n",
+      "[SLAVE_BUILD]/skia/platform_tools/android/apps/visualbench/src/main/assets",
+      "511"
+    ],
+    "cwd": "[SLAVE_BUILD]",
+    "name": "makedirs assets",
+    "~followup_annotations": [
+      "@@@STEP_LOG_LINE@python.inline@@@@",
+      "@@@STEP_LOG_LINE@python.inline@import sys, os@@@",
+      "@@@STEP_LOG_LINE@python.inline@path = sys.argv[1]@@@",
+      "@@@STEP_LOG_LINE@python.inline@mode = int(sys.argv[2])@@@",
+      "@@@STEP_LOG_LINE@python.inline@if not os.path.isdir(path):@@@",
+      "@@@STEP_LOG_LINE@python.inline@  if os.path.exists(path):@@@",
+      "@@@STEP_LOG_LINE@python.inline@    print \"%s exists but is not a dir\" % path@@@",
+      "@@@STEP_LOG_LINE@python.inline@    sys.exit(1)@@@",
+      "@@@STEP_LOG_LINE@python.inline@  os.makedirs(path, mode)@@@",
+      "@@@STEP_LOG_END@python.inline@@@"
+    ]
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
+      "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
+      "--dummy-flags --outResultsFile /sdcard/skia_results/visualbench.json",
+      "[SLAVE_BUILD]/skia/platform_tools/android/apps/visualbench/src/main/assets/nanobench_flags.txt"
+    ],
+    "cwd": "[SLAVE_BUILD]",
+    "name": "write nanobench_flags.txt"
+  },
+  {
+    "cmd": [
       "[SLAVE_BUILD]/skia/platform_tools/android/bin/android_ninja",
       "VisualBenchTest_APK",
       "-d",
       "arm_v7"
     ],
     "cwd": "[SLAVE_BUILD]/skia",
     "env": {
       "ANDROID_HOME": "/home/chrome-bot/android-sdk-linux",
       "ANDROID_MAKE_CCACHE": "/usr/bin/ccache",
       "ANDROID_SDK_ROOT": "/home/chrome-bot/android-sdk-linux",
@@ skipping 199 matching lines @@
     "env": {
       "AWS_CREDENTIAL_FILE": "[HOME]/chromium-skia-gm.boto",
       "BOTO_CONFIG": "[HOME]/chromium-skia-gm.boto",
       "BUILDTYPE": "Release",
       "GYP_DEFINES": "skia_arch_type=arm skia_warnings_as_errors=0",
       "SKIA_OUT": "[SLAVE_BUILD]/skia/out/Perf-Android-GCC-Nexus5-GPU-Adreno330-Arm7-Release-Appurify"
     },
     "name": "Upload Nanobench Results"
   }
 ]