Remove @MinAndroidSdkLevel annotation from chrome junit tests.

It doesn't appear to have an effect outside of instrumented tests.

Bug: none
Change-Id: If90c21806a5aff8b7380d06cfccfe0d8ce70a555
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2302731Reviewed-by: David Trainor <dtrainor@chromium.org>
Commit-Queue: Evan Stade <estade@chromium.org>
Cr-Commit-Position: refs/heads/master@{#789576}

chrome/android/junit/src/org/chromium/chrome/browser/omnibox/UrlBarUnitTest.java

@@ -7,7 +7,6 @@ package org.chromium.chrome.browser.omnibox;
 import static org.mockito.Mockito.verify;
 
 import android.app.Activity;
-import android.os.Build;
 import android.support.test.filters.SmallTest;
 import android.text.SpannableStringBuilder;
 import android.view.ViewStructure;
@@ -22,7 +21,6 @@ import org.mockito.MockitoAnnotations;
 import org.robolectric.Robolectric;
 
 import org.chromium.base.test.util.Feature;
-import org.chromium.base.test.util.MinAndroidSdkLevel;
 import org.chromium.chrome.browser.omnibox.UrlBar.UrlBarDelegate;
 import org.chromium.testing.local.LocalRobolectricTestRunner;
 
@@ -49,7 +47,6 @@ public class UrlBarUnitTest {
 
     @Test
     @SmallTest
-    @MinAndroidSdkLevel(Build.VERSION_CODES.O)
     @Feature("Omnibox")
     public void testAutofillStructureReceivesFullURL() {
         mUrlBar.setTextForAutofillServices("https://www.google.com");

chrome/android/junit/src/org/chromium/chrome/browser/usage_stats/PageViewObserverTest.java

@@ -17,7 +17,6 @@ import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 import android.app.Activity;
-import android.os.Build;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -33,7 +32,6 @@ import org.robolectric.annotation.Config;
 import org.chromium.base.Promise;
 import org.chromium.base.UserDataHost;
 import org.chromium.base.test.BaseRobolectricTestRunner;
-import org.chromium.base.test.util.MinAndroidSdkLevel;
 import org.chromium.chrome.browser.ChromeActivity;
 import org.chromium.chrome.browser.tab.TabCreationState;
 import org.chromium.chrome.browser.tab.TabHidingType;
@@ -54,7 +52,6 @@ import java.util.Arrays;
 /** Unit tests for PageViewObserver. */
 @RunWith(BaseRobolectricTestRunner.class)
 @Config(manifest = Config.NONE)
-@MinAndroidSdkLevel(Build.VERSION_CODES.P)
 public final class PageViewObserverTest {
     private static final String STARTING_URL = "http://starting.url";
     private static final String DIFFERENT_URL = "http://different.url";