Give autogen bots on client.drmemory a separate clobber step

scripts/slave/recipes/client.drmemory.recipe_autogen.expected/win8_cr_builder_clobber.json

Index: scripts/slave/recipes/client.drmemory.recipe_autogen.expected/win8_cr_builder_clobber.json
diff --git a/scripts/slave/recipes/client.drmemory.recipe_autogen.expected/win8_cr_builder_clobber.json b/scripts/slave/recipes/client.drmemory.recipe_autogen.expected/win8_cr_builder_clobber.json
index e1b4d01585384509f59ea275594062ce4d1f1978..323d848de99dbeb02fc014ef927655cd984739f3 100644
--- a/scripts/slave/recipes/client.drmemory.recipe_autogen.expected/win8_cr_builder_clobber.json
+++ b/scripts/slave/recipes/client.drmemory.recipe_autogen.expected/win8_cr_builder_clobber.json
@@ -92,6 +92,25 @@
     "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",
+      "[SLAVE_BUILD]\\src\\out\\Debug"
+    ],
+    "name": "rmtree clobber",
+    "~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 # Error? See https://crbug.com/584783.@@@",
+      "@@@STEP_LOG_LINE@python.inline@@@@",
+      "@@@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",
       "[BUILD]\\scripts\\slave\\runhooks_wrapper.py"
     ],
     "env": {
@@ -117,13 +136,9 @@
     "cmd": [
       "python_slave",
       "[BUILD]\\scripts\\slave\\compile.py",
-      "--solution",
-      "all.sln",
-      "--project",
-      "chromium_builder_dbg_drmemory_win",
       "--target",
       "Debug",
-      "--clobber"
+      "chromium_builder_dbg_drmemory_win"
     ],
     "name": "compile"
   },