🤠 Revert "enable FeedNewTabPageCardInstrumentationTest"

This reverts commit 46de280d.

Reason for revert: still flaky.
See https://ci.chromium.org/p/chromium/builders/ci/android-marshmallow-x86-rel-non-cq/707

Original change's description:
> enable FeedNewTabPageCardInstrumentationTest
>
> Bug: 1143781
> Change-Id: Ic7c1adad83cb472aeaeb8e82534288184a89d544
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2518183
> Reviewed-by: Dan H <harringtond@chromium.org>
> Commit-Queue: Arthur Wang <wuwang@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#824229}

TBR=harringtond@chromium.org,wuwang@chromium.org

Change-Id: I9ccace6afc3b4193000d094392c78468887a6249
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 1143781
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2519975Reviewed-by: Arthur Sonzogni <arthursonzogni@chromium.org>
Commit-Queue: Arthur Sonzogni <arthursonzogni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#824385}

chrome/android/feed/core/javatests/src/org/chromium/chrome/browser/feed/network_fetch/FeedNewTabPageCardInstrumentationTest.java

@@ -15,6 +15,7 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 
 import org.chromium.base.test.util.CommandLineFlags;
+import org.chromium.base.test.util.DisabledTest;
 import org.chromium.base.test.util.Feature;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.flags.ChromeFeatureList;
@@ -56,6 +57,7 @@ public final class FeedNewTabPageCardInstrumentationTest {
     @Feature({"FeedNewTabPage", "WPRRecordReplayTest", "RenderTest"})
     @WPRArchiveDirectory("chrome/android/feed/core/javatests/src/org/chromium/chrome/"
             + "browser/feed/wpr_tests")
+    @DisabledTest(message = "https://crbug.com/1143781")
     public void
     launchNTP_withMultipleFeedCardsRendered() throws IOException, InterruptedException {
         mActivityTestRule.loadUrlInNewTab(UrlConstants.NTP_URL);

chrome/android/feed/core/javatests/src/org/chromium/chrome/browser/feed/wpr_tests/FeedNewTabPageCardInstrumentationTest__launchNTP_withMultipleFeedCardsRendered.wprgo.sha1

-ab80612a3f194f9402f97f25dc516305ab910715
\ No newline at end of file
+0846bac870a018d9ed4820943700b2c978c5ccca
\ No newline at end of file