Adds filter exclusions for arm and win8 bots

testing/buildbot/chromium_arm.json

Index: testing/buildbot/chromium_arm.json
diff --git a/testing/buildbot/chromium_arm.json b/testing/buildbot/chromium_arm.json
index a2d4329f28c7445cc6e86814b4ba89975420d9af..e4980fd9ab738a859ce0b44a3829366946eb35a1 100644
--- a/testing/buildbot/chromium_arm.json
+++ b/testing/buildbot/chromium_arm.json
@@ -8,5 +8,23 @@
     "browser_tests",
     "nacl_loader_unittests",
     "sandbox_linux_unittests"
+  ],
+  "gtest_tests_filter_exclusions": [
+    ".*gyp[i]?",
+    "build/android/pylib",
+    "build/compiler_version.py",
+    "build/get_landmines.py",
+    "build/gyp_chromium",
+    "build/linux/sysroot_ld_path.sh",
+    "chrome/test/data/.*",
+    "content/test/data/.*",
+    "DEPS",
+    "testing/buildbot/.*",
+    "tools/clang/scripts/plugin_flags.sh",
+    "tools/clang/scripts/update.py",
+    "tools/clang/scripts/update.sh",
+    "tools/perf/.*",
+    "tools/telemetry/.*",
+    "tools/whitespace.txt"
   ]
 }