Enable post-compile test isolation for all CI builders.

scripts/slave/recipes/chromium.expected/full_client_skia_Win_Builder.json

Index: scripts/slave/recipes/chromium.expected/full_client_skia_Win_Builder.json
diff --git a/scripts/slave/recipes/chromium.expected/full_client_skia_Win_Builder.json b/scripts/slave/recipes/chromium.expected/full_client_skia_Win_Builder.json
index d82658cbc577a06dffac027594ccb5ec88ff2388..2278568793aadbc3bf61c1cf3897f72f5df35ff5 100644
--- a/scripts/slave/recipes/chromium.expected/full_client_skia_Win_Builder.json
+++ b/scripts/slave/recipes/chromium.expected/full_client_skia_Win_Builder.json
@@ -107,7 +107,7 @@
       "runhooks"
     ],
     "env": {
-      "GYP_DEFINES": "chromium_win_pch=0 component=static_library fastbuild=1 gomadir='[BUILD]\\goma' target_arch=ia32 test_isolation_mode=archive test_isolation_outdir=https://isolateserver.appspot.com use_goma=1"
+      "GYP_DEFINES": "chromium_win_pch=0 component=static_library fastbuild=1 gomadir='[BUILD]\\goma' target_arch=ia32 test_isolation_mode=prepare use_goma=1"
     },
     "name": "gclient runhooks"
   },
@@ -215,13 +215,16 @@
     "cmd": [
       "python",
       "-u",
-      "[BUILD]\\scripts\\slave\\recipe_modules\\isolate\\resources\\find_isolated_tests.py",
-      "--build-dir",
-      "[SLAVE_BUILD]\\src\\out\\Release",
-      "--output-json",
-      "/path/to/tmp/json"
+      "[SLAVE_BUILD]\\src\\tools\\swarming_client\\isolate.py",
+      "batcharchive",
+      "--dump-json",
+      "/path/to/tmp/json",
+      "--isolate-server",
+      "https://isolateserver.appspot.com",
+      "--verbose",
+      "[SLAVE_BUILD]\\src\\out\\Release\\browser_tests.isolated.gen.json"
     ],
-    "name": "find isolated tests",
+    "name": "isolate tests",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"browser_tests\": \"[dummy hash for browser_tests]\"@@@",