Disable two auto fill assistant tests.

Disable these tests due to flakiness.
AutofillAssistantCollectUserDataIntegrationTest#testEnterPayment
AutofillAssistantPersonalDataManagerTest#testCreateAndEnterCard

TBR=hluca@chromium.org

Bug: 1136166
Change-Id: I754f04589434e46c5df450765f937ec956c0a644
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2458366Reviewed-by: Xing Liu <xingliu@chromium.org>
Commit-Queue: Xing Liu <xingliu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814840}

chrome/android/features/autofill_assistant/javatests/src/org/chromium/chrome/browser/autofill_assistant/AutofillAssistantCollectUserDataIntegrationTest.java

@@ -139,6 +139,7 @@ public class AutofillAssistantCollectUserDataIntegrationTest {
      */
     @Test
     @MediumTest
+    @DisabledTest(message = "crbug.com/1136166")
     public void testEnterPayment() throws Exception {
         String profileId = mHelper.addDummyProfile("John Doe", "johndoe@gmail.com");
         mHelper.addDummyCreditCard(profileId);

chrome/android/features/autofill_assistant/javatests/src/org/chromium/chrome/browser/autofill_assistant/AutofillAssistantPersonalDataManagerTest.java

@@ -54,6 +54,7 @@ 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.chrome.autofill_assistant.R;
 import org.chromium.chrome.browser.autofill.PersonalDataManager.CreditCard;
 import org.chromium.chrome.browser.autofill_assistant.proto.ActionProto;
@@ -490,6 +491,7 @@ public class AutofillAssistantPersonalDataManagerTest {
      */
     @Test
     @MediumTest
+    @DisabledTest(message = "crbug.com/1136166")
     public void testCreateAndEnterCard() throws Exception {
         // Add a profile for easier address selection.
         mHelper.addDummyProfile("Adam West", "adamwest@google.com");