PlzNavigate: update browser_test filter

This CL uploads the browser_test filter for PlzNavigate following the
fix made to the Webrequest API.

BUG=575224
TBR=nasko@chromium.org

Review-Url: https://codereview.chromium.org/2385723002
Cr-Commit-Position: refs/heads/master@{#422793}

testing/buildbot/filters/browser-side-navigation.linux.browser_tests.filter

@@ -19,7 +19,10 @@
 -ExtensionBindingsApiTest.ModuleSystem
 -ExtensionBrowserTest.WindowOpenExtension
 -ExtensionResourceRequestPolicyTest.Iframe
--ExtensionWebRequestApiTest*
+-ExtensionWebRequestApiTest.WebRequestComplex
+-ExtensionWebRequestApiTest.WebRequestDeclarative2
+-ExtensionWebRequestApiTest.WebRequestUnloadImmediately
+-ExtensionWebRequestApiTest.WebRequestWithWithheldPermissions
 -ExternallyConnectableMessagingTest.FromPopup
 -FindInPageControllerTest.SearchWithinSpecialURL
 -IsolatedAppTest.CookieIsolation