Revert "[Android] Implement tests for SyncErrorCardPreference"

This reverts commit 773b24b9.

Reason for revert: Tests are failing on android-arm-official-tests
https://ci.chromium.org/p/chrome/builders/ci/android-arm-official-tests/1369

Original change's description:
> [Android] Implement tests for SyncErrorCardPreference
>
> This cl adds render tests for different types of sync errors in
> SyncErrorCardPreference.
>
> Bug: 1107420
> Change-Id: I3ebc308932eadb677310ea041559bb54bbb1765c
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2353255
> Commit-Queue: Tanmoy Mollik <triploblastic@chromium.org>
> Reviewed-by: Marc Treib <treib@chromium.org>
> Reviewed-by: Alice Wang <aliceywang@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#811273}

TBR=treib@chromium.org,triploblastic@chromium.org,aliceywang@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 1107420
Change-Id: Ib86c9353dd3f5389ec7446add5c60b1031f59893
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2438611Reviewed-by: Patrick Noland <pnoland@chromium.org>
Commit-Queue: Patrick Noland <pnoland@chromium.org>
Cr-Commit-Position: refs/heads/master@{#811865}

chrome/android/chrome_test_java_sources.gni

@@ -539,7 +539,6 @@ chrome_test_java_sources = [
   "javatests/src/org/chromium/chrome/browser/sync/OpenTabsTest.java",
   "javatests/src/org/chromium/chrome/browser/sync/SyncAndServicesSettingsTest.java",
   "javatests/src/org/chromium/chrome/browser/sync/SyncAndServicesSettingsWithFakeProfileSyncServiceTest.java",
-  "javatests/src/org/chromium/chrome/browser/sync/SyncErrorCardPreferenceTest.java",
   "javatests/src/org/chromium/chrome/browser/sync/SyncTest.java",
   "javatests/src/org/chromium/chrome/browser/sync/SyncTestRule.java",
   "javatests/src/org/chromium/chrome/browser/sync/TypedUrlsTest.java",

chrome/android/javatests/src/org/chromium/chrome/browser/sync/FakeProfileSyncService.java

@@ -25,7 +25,6 @@ public class FakeProfileSyncService extends ProfileSyncService {
     private boolean mTrustedVaultKeyRequired;
     private boolean mTrustedVaultKeyRequiredForPreferredDataTypes;
     private boolean mEncryptEverythingEnabled;
-    private boolean mRequiresClientUpgrade;
     private Set<Integer> mChosenTypes = new HashSet<>();
     private boolean mCanSyncFeatureStart;
     @GoogleServiceAuthError.State
@@ -140,13 +139,4 @@ public class FakeProfileSyncService extends ProfileSyncService {
     public void setCanSyncFeatureStart(boolean canSyncFeatureStart) {
         mCanSyncFeatureStart = canSyncFeatureStart;
     }
-
-    @Override
-    public boolean requiresClientUpgrade() {
-        return mRequiresClientUpgrade;
-    }
-
-    public void setRequiresClientUpgrade(boolean requiresClientUpgrade) {
-        mRequiresClientUpgrade = requiresClientUpgrade;
-    }
 }