Convert some security setting logic to PreferenceController

- Manage trust agent
- Show password
- Sim lock
- Screen pinning

Bug: 32953042
Test: robotests
Change-Id: I0c781a505238cae7a6643b701b750ca63a87a8a5

src/com/android/settings/security/SecurityFeatureProviderImpl.java

@@ -29,6 +29,7 @@ import android.text.TextUtils;
 import android.util.ArrayMap;
 import android.util.Pair;
 
+import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.R;
 import com.android.settings.security.trustagent.TrustAgentManager;
 import com.android.settingslib.drawer.DashboardCategory;
@@ -43,6 +44,7 @@ import java.util.TreeMap;
 public class SecurityFeatureProviderImpl implements SecurityFeatureProvider {
 
     private TrustAgentManager mTrustAgentManager;
+    private LockPatternUtils mLockPatternUtils;
 
     @VisibleForTesting
     static final Drawable DEFAULT_ICON = null;
@@ -195,4 +197,12 @@ public class SecurityFeatureProviderImpl implements SecurityFeatureProvider {
         }
         return mTrustAgentManager;
     }
+
+    @Override
+    public LockPatternUtils getLockPatternUtils(Context context) {
+        if (mLockPatternUtils == null) {
+            mLockPatternUtils = new LockPatternUtils(context.getApplicationContext());
+        }
+        return mLockPatternUtils;
+    }
 }