[Signin][Android] Change title for SignInPreference

Changes the title of SignInPreference in the generic promo state to
"Turn on sync" if MobileIdentityConsistency flag is enabled.

Bug: 1136064
Change-Id: Iba20ed5b946fa3f5522798b762de25bb77ef0f3f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2456266Reviewed-by: Alice Wang <aliceywang@chromium.org>
Commit-Queue: Boris Sazonov <bsazonov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814675}

chrome/android/java/src/org/chromium/chrome/browser/sync/settings/SignInPreference.java

@@ -221,7 +221,11 @@ public class SignInPreference
     private void setupSigninDisabledByPolicy() {
         setState(State.SIGNIN_DISABLED_BY_POLICY);
         setLayoutResource(R.layout.account_management_account_row);
-        setTitle(R.string.sign_in_to_chrome);
+        if (ChromeFeatureList.isEnabled(ChromeFeatureList.MOBILE_IDENTITY_CONSISTENCY)) {
+            setTitle(R.string.sync_promo_turn_on_sync);
+        } else {
+            setTitle(R.string.sign_in_to_chrome);
+        }
         setSummary(R.string.sign_in_to_chrome_disabled_summary);
         setFragment(null);
         setIcon(ManagedPreferencesUtils.getManagedByEnterpriseIconId());
@@ -272,8 +276,11 @@ public class SignInPreference
     private void setupGenericPromo() {
         setState(State.GENERIC_PROMO);
         setLayoutResource(R.layout.account_management_account_row);
-        setTitle(R.string.sign_in_to_chrome);
-
+        if (ChromeFeatureList.isEnabled(ChromeFeatureList.MOBILE_IDENTITY_CONSISTENCY)) {
+            setTitle(R.string.sync_promo_turn_on_sync);
+        } else {
+            setTitle(R.string.sign_in_to_chrome);
+        }
         setSummary(R.string.signin_pref_summary);
 
         setFragment(null);