analyze: ignore changes to OWNERS files

testing/buildbot/trybot_analyze_config.json

 {
   "android_webview": {
     "exclusions": [
       "android_webview/.*"
     ]
   },
   "base": {
     "exclusions": [
       ".*isolate",
       "build/.*gyp[i]?",
       "build/android/.*py",
       "build/android/devil/.*",
       "build/android/play_services/.*",
       "build/android/pylib/.*",
       "build/compiler_version.py",
       "build/get_landmines.py",
       "build/gyp_chromium",
       "build/linux/sysroot_ld_path.sh",
       "build/toolchain/get_concurrent_links.py",
       "build/toolchain/mac/*.py",
       "build/util/lib/common/unittest_util.py",
       "infra/.*",
       "DEPS",
       "testing/buildbot/.*",
       "testing/scripts/.*",
       "testing/test_env.py",
       "third_party/android_platform/development/scripts/.*",
       "tools/clang/blink_gc_plugin/CMakeLists.txt",
       "tools/luci-go/.*"
+    ],
+    "ignores": [
+      ".*OWNERS"

[tandrii(chromium), 2016/07/05 13:38:44]

i think two entries like this is better:
  ".*/OWNERS", "OWNERS"
otherwise you may ignore non-OWNERS files like balbla/WTFOWNERS
  

[Paweł Hajdan Jr., 2016/07/05 13:49:37]

Good point. Done.

     ]
   },
   "chromium": {
     "exclusions": [
       "chrome/test/data/.*",
       "chrome/installer/linux/sysroot_scripts/install-debian.wheezy.sysroot.py",
       "components/test/data/.*",
       "content/test/data/.*",
       "content/test/gpu/.*",
       "extensions/test/data/.*",
@@ skipping 11 matching lines @@
       "tools/perf/.*",
       "tools/telemetry/.*"
     ]
   },
   "ios": {
     "exclusions": [
       "ios/build/bots/.*"
     ]
   }
 }