Camera: reduce the camera button animation duration to 100ms

It is too long for the animation duration when touch the button
which costs 600ms. Reduce it to 100ms to enhance the KPI.

Change-Id: I9a105c561419594e5a81e83f7ae3786e4eb86b8d
diff --git a/src/com/android/camera/ui/PieRenderer.java b/src/com/android/camera/ui/PieRenderer.java
index 6c0f5ba..61abc37 100644
--- a/src/com/android/camera/ui/PieRenderer.java
+++ b/src/com/android/camera/ui/PieRenderer.java
@@ -65,7 +65,7 @@
     private static final int DISAPPEAR_TIMEOUT = 200;
     private static final int DIAL_HORIZONTAL = 157;
     // fade out timings
-    private static final int PIE_FADE_OUT_DURATION = 600;
+    private static final int PIE_FADE_OUT_DURATION = 100;
 
     private static final long PIE_FADE_IN_DURATION = 200;
     private static final long PIE_XFADE_DURATION = 200;