Skia bots: use nanobench images in nanobench

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

 [
   {
     "cmd": [
       "git",
       "remote",
       "set-url",
       "origin",
       "https://skia.googlesource.com/skia.git"
     ],
     "cwd": "[SLAVE_BUILD]/skia",
@@ skipping 316 matching lines @@
       "@@@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",
-      "--undefok -i /sdcard/resources --skps /sdcard/skps --images /sdcard/images/dm --nogpu --dummy-flags --outResultsFile /sdcard/skia_results/nanobench_164710_1408633190.json --properties gitHash 164710 build_number 5 --key arch Arm7 compiler GCC cpu_or_gpu CPU cpu_or_gpu_value NEON extra_config Appurify model Nexus5 os Android",
+      "--undefok -i /sdcard/resources --skps /sdcard/skps --images /sdcard/images/nanobench --nogpu --dummy-flags --outResultsFile /sdcard/skia_results/nanobench_164710_1408633190.json --properties gitHash 164710 build_number 5 --key arch Arm7 compiler GCC cpu_or_gpu CPU cpu_or_gpu_value NEON extra_config Appurify model Nexus5 os Android",
       "[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",
@@ skipping 134 matching lines @@
       "SKIA_OUT": "[SLAVE_BUILD]/skia/out/Perf-Android-GCC-Nexus5-CPU-NEON-Arm7-Release-Appurify"
     },
     "name": "Upload nanobench Results"
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]