Disable more mac WindowServer killer suspects.

Tests in these classes have appeared frequently and near the end of the
test log in mac browser_tests tasks that either resulted in BOT_DIED or
exhibited a large number of failures due to crashpad (which itself
appears to be symptomatic of WindowServer death).

Bug: 828031
Change-Id: I37aeefe83a4ade9f69f5cb18ee5e13179fa24b89
Reviewed-on: https://chromium-review.googlesource.com/1104308Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Commit-Queue: John Budorick <jbudorick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#568040}

testing/buildbot/filters/mac_window_server_killers.browser_tests.filter

@@ -2,3 +2,16 @@
 
 # Suites implicated in window_server deaths.
 -ConstrainedWebDialogBrowserTest.*
+
+# Investigation, round 2.
+-AutofillRendererTest.*
+-ChromeLocatorTest.*
+-ContentSettingBubbleModelMixedScriptTest.*
+-FormAutocompleteTest.*
+-FormAutofillTest.*
+-LocalNTPVoiceSearchSmokeTest.*
+-NewTabPageNavigationThrottleTest.*
+-PagePasswordsAnalyserTest.*
+-PasswordAutofillAgentTest.*
+-PasswordGenerationAgentTest.*
+-TranslateScriptBrowserTest.*