Disable tests for DevTools change

Required for https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2484717

R=sigurds@chromium.org

Bug: 1011811
Change-Id: Ibbd4a5a822d4f06fca89cbdf9376127a6ce30327
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2484702
Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Auto-Submit: Tim van der Lippe <tvanderlippe@chromium.org>
Reviewed-by: Sigurd Schneider <sigurds@chromium.org>
Cr-Commit-Position: refs/heads/master@{#818438}

third_party/blink/web_tests/TestExpectations

@@ -6467,3 +6467,7 @@ crbug.com/1139052 virtual/webrtc-wpt-plan-b/external/wpt/webrtc/protocol/unbundl
 # DevTools roll
 crbug.com/1011811 http/tests/devtools/indexeddb/database-structure.js [ Skip ]
 crbug.com/1011811 http/tests/devtools/indexeddb/database-version-number.js [ Skip ]
+
+# DevTools roll
+crbug.com/1011811 http/tests/devtools/profiler/agents-disabled-check.js [ Skip ]
+crbug.com/1011811 http/tests/devtools/persistence/persistence-do-not-overwrite-css.js [ Skip ]