Make names of debug properties consistent

(cleanup after eliminating use of SystemProperty)
diff --git a/src/com/android/launcher2/Launcher.java b/src/com/android/launcher2/Launcher.java
index e3f7b75..3641893 100644
--- a/src/com/android/launcher2/Launcher.java
+++ b/src/com/android/launcher2/Launcher.java
@@ -145,8 +145,8 @@
     static final int DEFAULT_SCREEN = 2;
 
     private static final String PREFERENCES = "launcher.preferences";
-    static final String FORCE_ENABLE_ROTATION_PROPERTY = "launcher.force_enable_rotation";
-    static final String DUMP_STATE_PROPERTY = "debug.launcher2.dumpstate";
+    static final String FORCE_ENABLE_ROTATION_PROPERTY = "debug.force_enable_rotation";
+    static final String DUMP_STATE_PROPERTY = "debug.dumpstate";
 
     // The Intent extra that defines whether to ignore the launch animation
     static final String INTENT_EXTRA_IGNORE_LAUNCH_ANIMATION =