[Android][Signin][Test] Clean up tests of ProfileDataCache

This CL cleans up the tests of ProfileDataCache by

* Remove the flag DeprecateMenagerieAPI as it is no longer in the code.
* Remove the unused fields

Bug: 1231112
Change-Id: I7f0e8689819fb9c75db4d1eba2615b3511b98952
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3062959
Commit-Queue: Alice Wang <aliceywang@chromium.org>
Reviewed-by: Tanmoy Mollik <triploblastic@chromium.org>
Cr-Commit-Position: refs/heads/main@{#917641}
diff --git a/chrome/browser/signin/services/android/java/src/org/chromium/chrome/browser/signin/services/ProfileDataCacheRenderTest.java b/chrome/browser/signin/services/android/java/src/org/chromium/chrome/browser/signin/services/ProfileDataCacheRenderTest.java
index 6bfb9c4..f832ae2d 100644
--- a/chrome/browser/signin/services/android/java/src/org/chromium/chrome/browser/signin/services/ProfileDataCacheRenderTest.java
+++ b/chrome/browser/signin/services/android/java/src/org/chromium/chrome/browser/signin/services/ProfileDataCacheRenderTest.java
@@ -46,11 +46,9 @@
 import org.chromium.base.test.util.CriteriaHelper;
 import org.chromium.base.test.util.Feature;
 import org.chromium.base.test.util.JniMocker;
-import org.chromium.chrome.browser.flags.ChromeFeatureList;
 import org.chromium.chrome.test.ChromeJUnit4RunnerDelegate;
 import org.chromium.chrome.test.DummyUiChromeActivityTestCase;
 import org.chromium.chrome.test.util.ChromeRenderTestRule;
-import org.chromium.chrome.test.util.browser.Features;
 import org.chromium.chrome.test.util.browser.signin.AccountManagerTestRule;
 import org.chromium.components.signin.base.AccountInfo;
 import org.chromium.components.signin.base.CoreAccountId;
@@ -70,7 +68,6 @@
  */
 @RunWith(ParameterizedRunner.class)
 @UseRunnerDelegate(ChromeJUnit4RunnerDelegate.class)
-@Features.EnableFeatures({ChromeFeatureList.DEPRECATE_MENAGERIE_API})
 @Batch(ProfileDataCacheRenderTest.PROFILE_DATA_BATCH_NAME)
 public class ProfileDataCacheRenderTest extends DummyUiChromeActivityTestCase {
     public static final String PROFILE_DATA_BATCH_NAME = "profile_data";
@@ -93,9 +90,6 @@
             ChromeRenderTestRule.Builder.withPublicCorpus().build();
 
     @Rule
-    public final Features.JUnitProcessor mProcessor = new Features.JUnitProcessor();
-
-    @Rule
     public final AccountManagerTestRule mAccountManagerTestRule = new AccountManagerTestRule();
 
     @Rule
diff --git a/chrome/browser/signin/services/android/java/src/org/chromium/chrome/browser/signin/services/ProfileDataCacheWithBadgeRenderTest.java b/chrome/browser/signin/services/android/java/src/org/chromium/chrome/browser/signin/services/ProfileDataCacheWithBadgeRenderTest.java
index 13a6f24a..becb30f 100644
--- a/chrome/browser/signin/services/android/java/src/org/chromium/chrome/browser/signin/services/ProfileDataCacheWithBadgeRenderTest.java
+++ b/chrome/browser/signin/services/android/java/src/org/chromium/chrome/browser/signin/services/ProfileDataCacheWithBadgeRenderTest.java
@@ -21,20 +21,14 @@
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
-import org.mockito.Mock;
-import org.mockito.junit.MockitoJUnit;
-import org.mockito.junit.MockitoRule;
-import org.mockito.quality.Strictness;
 
 import org.chromium.base.test.util.Batch;
 import org.chromium.base.test.util.CriteriaHelper;
 import org.chromium.base.test.util.Feature;
 import org.chromium.chrome.R;
-import org.chromium.chrome.browser.flags.ChromeFeatureList;
 import org.chromium.chrome.test.ChromeJUnit4ClassRunner;
 import org.chromium.chrome.test.DummyUiChromeActivityTestCase;
 import org.chromium.chrome.test.util.ChromeRenderTestRule;
-import org.chromium.chrome.test.util.browser.Features;
 import org.chromium.chrome.test.util.browser.signin.AccountManagerTestRule;
 import org.chromium.components.signin.test.util.FakeAccountInfoService;
 import org.chromium.content_public.browser.test.util.TestThreadUtils;
@@ -48,7 +42,6 @@
  */
 @RunWith(ChromeJUnit4ClassRunner.class)
 @Batch(ProfileDataCacheRenderTest.PROFILE_DATA_BATCH_NAME)
-@Features.EnableFeatures({ChromeFeatureList.DEPRECATE_MENAGERIE_API})
 public class ProfileDataCacheWithBadgeRenderTest extends DummyUiChromeActivityTestCase {
     private static final String TEST_ACCOUNT_NAME = "test@example.com";
 
@@ -57,18 +50,9 @@
             ChromeRenderTestRule.Builder.withPublicCorpus().build();
 
     @Rule
-    public final Features.JUnitProcessor mProcessor = new Features.JUnitProcessor();
-
-    @Rule
     public final AccountManagerTestRule mAccountManagerTestRule =
             new AccountManagerTestRule(new FakeAccountInfoService());
 
-    @Rule
-    public final MockitoRule mMockitoRule = MockitoJUnit.rule().strictness(Strictness.STRICT_STUBS);
-
-    @Mock
-    private ProfileDataCache.Observer mObserver;
-
     private FrameLayout mContentView;
     private ImageView mImageView;
     private ProfileDataCache mProfileDataCache;
diff --git a/chrome/browser/signin/services/android/junit/src/org/chromium/chrome/browser/signin/services/ProfileDataCacheUnitTest.java b/chrome/browser/signin/services/android/junit/src/org/chromium/chrome/browser/signin/services/ProfileDataCacheUnitTest.java
index 710e882..d96117d 100644
--- a/chrome/browser/signin/services/android/junit/src/org/chromium/chrome/browser/signin/services/ProfileDataCacheUnitTest.java
+++ b/chrome/browser/signin/services/android/junit/src/org/chromium/chrome/browser/signin/services/ProfileDataCacheUnitTest.java
@@ -18,8 +18,6 @@
 
 import org.chromium.base.test.BaseRobolectricTestRunner;
 import org.chromium.base.test.util.JniMocker;
-import org.chromium.chrome.browser.flags.ChromeFeatureList;
-import org.chromium.chrome.test.util.browser.Features;
 import org.chromium.chrome.test.util.browser.signin.AccountManagerTestRule;
 import org.chromium.components.signin.base.AccountInfo;
 import org.chromium.components.signin.base.CoreAccountId;
@@ -32,7 +30,6 @@
  * Unit tests for {@link ProfileDataCache}
  */
 @RunWith(BaseRobolectricTestRunner.class)
-@Features.EnableFeatures({ChromeFeatureList.DEPRECATE_MENAGERIE_API})
 public class ProfileDataCacheUnitTest {
     private static final long NATIVE_IDENTITY_MANAGER = 10001L;
     private static final String ACCOUNT_EMAIL = "test@gmail.com";
@@ -44,9 +41,6 @@
     public final JniMocker mocker = new JniMocker();
 
     @Rule
-    public final Features.JUnitProcessor processor = new Features.JUnitProcessor();
-
-    @Rule
     public final AccountManagerTestRule mAccountManagerTestRule = new AccountManagerTestRule();
 
     @Mock