Changes ENABLE_SMARTSPACE_ENHANCED to be a DeviceFlag.

This lets us toggle it server-side.

Bug: 181077020
Test: Manually toggled using
adb shell device_config put launcher ENABLE_SMARTSPACE_ENHANCED true

Change-Id: I5172bf6f977729f4c1c813b1eaba3b8b34bfc44e
diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index 556aff6..3d5920a 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -161,7 +161,7 @@
             "ENABLE_SMARTSPACE_UNIVERSAL", false,
             "Replace Smartspace with a version rendered by System UI.");
 
-    public static final BooleanFlag ENABLE_SMARTSPACE_ENHANCED = getDebugFlag(
+    public static final BooleanFlag ENABLE_SMARTSPACE_ENHANCED = new DeviceFlag(
             "ENABLE_SMARTSPACE_ENHANCED", false,
             "Replace Smartspace with the enhanced version. "
               + "Ignored if ENABLE_SMARTSPACE_UNIVERSAL is enabled.");