Fix Learn more link placement is wrong problem

- Use the new style of the FooterPreference.

Fixes: 189389674
Test: Robo test
Change-Id: I1529952181cca0eccd18f911eaa265b19dbb97f7

src/com/android/settings/enterprise/EnterprisePrivacyFeatureProviderImpl.java

@@ -100,9 +100,6 @@ public class EnterprisePrivacyFeatureProviderImpl implements EnterprisePrivacyFe
         } else {
             disclosure.append(mResources.getString(R.string.do_disclosure_generic));
         }
-        disclosure.append(mResources.getString(R.string.do_disclosure_learn_more_separator));
-        disclosure.append(mResources.getString(R.string.learn_more),
-                new EnterprisePrivacySpan(mContext), 0);
         return disclosure;
     }