chromeos: Disables a couple of tests for mus_browser_tests

testing/buildbot/filters/mus.browser_tests.filter

Index: testing/buildbot/filters/mus.browser_tests.filter
diff --git a/testing/buildbot/filters/mus.browser_tests.filter b/testing/buildbot/filters/mus.browser_tests.filter
index 6e8aee8acc17530e42e25063b00fae347538f3ee..3d74a3883e49b2aaff29f9dc561be7312ee52836 100644
--- a/testing/buildbot/filters/mus.browser_tests.filter
+++ b/testing/buildbot/filters/mus.browser_tests.filter
@@ -1,6 +1,8 @@
 BrowserTest.*
 # Failing test
 -BrowserTest.FullscreenBookmarkBar
+-BrowserTest.DisableOptionsAndImportMenuItemsConsistently
+-BrowserTest.ReattachDevToolsWindow
 
 # Flaky tests -crbug.com/707195
 -BrowserTest.AboutVersion
@@ -25,7 +27,6 @@ ChromeRenderViewTest.JSBlockSentAfterPageLoad
 ChromeRenderViewTest.PluginsTemporarilyAllowed
 ChromeServiceWorkerManifestFetchTest.OtherOrigin
 ChromeServiceWorkerManifestFetchTest.OtherOriginUseCredentials
-ChromeServiceWorkerManifestFetchTest.SameOrigin
 ChromeServiceWorkerManifestFetchTest.SameOriginUseCredentials
 ChromeServiceWorkerTest.CanCloseIncognitoWindowWithServiceWorkerController
 ChromeServiceWorkerTest.CanShutDownWithRegisteredServiceWorker
@@ -33,8 +34,6 @@ ChromeServiceWorkerTest.FailRegisterServiceWorkerWhenJSDisabled
 ChromeServiceWorkerTest.FallbackMainResourceRequestWhenJSDisabled
 ConstrainedWebDialogBrowserTest.ReleaseWebContents
 ContentVerifierPolicyTest.FailedUpdateRetries
-ContentVerifierPolicyTest.PRE_PolicyCorruptedOnStartup
-ContentVerifierPolicyTest.PolicyCorruptedOnStartup
 DeviceStatusCollectorNetworkInterfacesTest.NetworkInterfaces
 DeviceStatusCollectorNetworkInterfacesTest.ReportIfPublicSession
 DeviceStatusCollectorTest.ActivityCrossingMidnight