AOD: Hide owner info on ambient display

Change-Id: Iea27b111b4025e2ad4b9cd0139f18f1653ca17dc
Fixes: 63800919
Test: Set a dark wallpaper, set owner info; go to AOD, verify that owner info is not visible.

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

@@ -333,6 +333,10 @@ public class KeyguardStatusView extends GridLayout {
             }
             child.setAlpha(dark ? 0 : 1);
         }
+        if (mOwnerInfo != null) {
+            mOwnerInfo.setAlpha(dark ? 0 : 1);
+        }
+
         updateDozeVisibleViews();
         mBatteryDoze.setDark(dark);
         mClockView.setTextColor(ColorUtils.blendARGB(mTextColor, Color.WHITE, darkAmount));