Add flag to control dynamic shortcuts experment

Also fix the format of pull to refresh experiment flag

Bug 30630964
Bug 30189449

Change-Id: Ib297cee400b5e864a6ca71566c3d4182cb041226
diff --git a/src/com/android/contacts/common/Experiments.java b/src/com/android/contacts/common/Experiments.java
index 8a03fdc..8932cac 100644
--- a/src/com/android/contacts/common/Experiments.java
+++ b/src/com/android/contacts/common/Experiments.java
@@ -21,9 +21,14 @@
 public final class Experiments {
 
     /**
-     * Flag to control pullToRefresh feature.
+     * Experiment to enable dynamic strequent shortcuts.
      */
-    public static final String PULL_TO_REFRESH = "pull_to_refresh";
+    public static final String DYNAMIC_SHORTCUTS = "Shortcuts__dynamic_shortcuts";
+
+    /**
+     * Experiment to toggle contacts sync using the pull to refresh gesture.
+     */
+    public static final String PULL_TO_REFRESH = "PullToRefresh__pull_to_refresh";
 
     /**
      * Search study boolean indicating whether to inject yenta search results before CP2 results.