AOD/LS - Large clock animations

Match latest specs for large/small clock transitions, including a fade
and y-axis shift.

Bug: 172360102
Test: manual, show/hide all notifications
Change-Id: I8d756bfbc524481d7b8835946acf05aa4893a1d5

packages/SystemUI/src/com/android/keyguard/KeyguardClockSwitchController.java

@@ -21,7 +21,6 @@ import android.content.ContentResolver;
 import android.content.res.Resources;
 import android.provider.Settings;
 import android.text.format.DateFormat;
-import android.util.TypedValue;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.FrameLayout;
@@ -146,11 +145,10 @@ public class KeyguardClockSwitchController extends ViewController<KeyguardClockS
     }
 
     /**
-     * Updates clock's text
+     * Apply dp changes on font/scale change
      */
     public void onDensityOrFontScaleChanged() {
-        mView.setTextSize(TypedValue.COMPLEX_UNIT_PX,
-                mResources.getDimensionPixelSize(R.dimen.widget_big_font_size));
+        mView.onDensityOrFontScaleChanged();
     }
 
     /**