Disable flaky StartSurfaceTest.

StartSurfaceTest.testShow_TasksOnly and
StartSurfaceTest.testShow_TwoPanes are still flaky on Android M bots,
not only on Nexus5x(bullhead).

testScroll_OmniboxOnly_Pinned is failing on Android P as well.

TBR=wychen@chromium.org

Bug: 1081822,1084176,1083459
Change-Id: Ic52dc5527f2962773d15cc0ec7f88de891fa56aa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2209302
Commit-Queue: Xing Liu <xingliu@chromium.org>
Reviewed-by: Xing Liu <xingliu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#770345}

chrome/android/features/start_surface/internal/javatests/src/org/chromium/chrome/features/start_surface/StartSurfaceTest.java

@@ -60,6 +60,7 @@ import org.chromium.base.test.params.ParameterSet;
 import org.chromium.base.test.params.ParameterizedRunner;
 import org.chromium.base.test.util.CommandLineFlags;
 import org.chromium.base.test.util.DisableIf;
+import org.chromium.base.test.util.DisabledTest;
 import org.chromium.base.test.util.Feature;
 import org.chromium.base.test.util.Restriction;
 import org.chromium.chrome.browser.ChromeTabbedActivity;
@@ -190,6 +191,7 @@ public class StartSurfaceTest {
     @Test
     @MediumTest
     @Feature({"StartSurface"})
+    @DisabledTest(message = "crbug.com/1084176")
     @CommandLineFlags.Add({BASE_PARAMS + "/tasksonly"})
     public void testShow_TasksOnly() {
         if (!mImmediateReturn) {
@@ -263,7 +265,7 @@ public class StartSurfaceTest {
     @Test
     @MediumTest
     @Feature({"StartSurface"})
-    @DisableIf.Build(hardware_is = "bullhead", message = "crbug.com/1081657")
+    @DisabledTest(message = "crbug.com/1081822")
     @CommandLineFlags.Add({BASE_PARAMS + "/twopanes"})
     public void testShow_TwoPanes() {
         final ChromeTabbedActivity cta = mActivityTestRule.getActivity();
@@ -819,7 +821,7 @@ public class StartSurfaceTest {
     @MediumTest
     @Feature({"StartSurface"})
     // clang-format off
-    @DisableIf.Build(hardware_is = "bullhead", message = "crbug.com/1081657")
+    @DisabledTest(message = "crbug.com/1083459")
     @CommandLineFlags.Add({BASE_PARAMS + "/omniboxonly" +
         "/hide_switch_when_no_incognito_tabs/true/omnibox_scroll_mode/pinned"})
     public void testScroll_OmniboxOnly_Pinned() {