Disable flaky ActivationStateComputingThrottleSubFrameTest.DisabledStatePropagated/

TBR=battre@chromium.org

Bug: 1011200
Change-Id: I44f5b3ba33c861b2885da30ea561a68adba014bd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1839153Reviewed-by: Yoichi Osato <yoichio@chromium.org>
Commit-Queue: Yoichi Osato <yoichio@chromium.org>
Auto-Submit: Yoichi Osato <yoichio@chromium.org>
Cr-Commit-Position: refs/heads/master@{#702696}

components/subresource_filter/content/browser/activation_state_computing_navigation_throttle_unittest.cc

@@ -441,7 +441,8 @@ TEST_P(ActivationStateComputingThrottleSubFrameTest,
   EXPECT_FALSE(state.generic_blocking_rules_disabled);
 }
 
-TEST_P(ActivationStateComputingThrottleSubFrameTest, DisabledStatePropagated) {
+TEST_P(ActivationStateComputingThrottleSubFrameTest,
+       DISABLED_DisabledStatePropagated) {
   NavigateAndCommitMainFrameWithPageActivationState(
       GURL("http://allow-child-to-be-whitelisted.com/"),
       mojom::ActivationLevel::kEnabled);