Fix invisible security method

Also fixes a bug where notification guts couldn't be launched from
Keyguard.

Bug: 17162095
Change-Id: I50395065e568ca01e837b0540d5edfd8bbd5797a
diff --git a/packages/Keyguard/src/com/android/keyguard/KeyguardPINView.java b/packages/Keyguard/src/com/android/keyguard/KeyguardPINView.java
index 66c30c7..55538a7 100644
--- a/packages/Keyguard/src/com/android/keyguard/KeyguardPINView.java
+++ b/packages/Keyguard/src/com/android/keyguard/KeyguardPINView.java
@@ -85,6 +85,7 @@
     @Override
     public void startAppearAnimation() {
         enableClipping(false);
+        setAlpha(1f);
         setTranslationY(mAppearAnimationUtils.getStartTranslation());
         animate()
                 .setDuration(500)