Disable MainSettingsFragmentTest#testStartUp on Kitkat

Nightmode is not supported on Kitkat devices. Disable the test for now.

Bug: 1067575
Change-Id: Ie81b15f55a3e17ed8b22b8e6866ebfe5ebf19921
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2135946
Commit-Queue: Wenyu Fu <wenyufu@chromium.org>
Auto-Submit: Wenyu Fu <wenyufu@chromium.org>
Reviewed-by: Wenyu Fu <wenyufu@chromium.org>
Reviewed-by: Theresa  <twellington@chromium.org>
Cr-Commit-Position: refs/heads/master@{#756350}

chrome/android/javatests/src/org/chromium/chrome/browser/settings/MainSettingsFragmentTest.java

@@ -5,6 +5,7 @@
 package org.chromium.chrome.browser.settings;
 
 import android.accounts.Account;
+import android.os.Build.VERSION_CODES;
 import android.support.test.filters.SmallTest;
 import android.text.TextUtils;
 
@@ -22,6 +23,7 @@ import org.mockito.Mockito;
 import org.mockito.MockitoAnnotations;
 
 import org.chromium.base.test.util.CommandLineFlags;
+import org.chromium.base.test.util.DisableIf;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.about_settings.AboutChromeSettings;
 import org.chromium.chrome.browser.accessibility.settings.AccessibilitySettings;
@@ -115,6 +117,7 @@ public class MainSettingsFragmentTest {
      */
     @Test
     @SmallTest
+    @DisableIf.Build(sdk_is_less_than = VERSION_CODES.LOLLIPOP)
     public void testStartup() {
         launchSettingsActivity();