check for U+ before checking device feature flags

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I12e147e61febd96324cdbb6642e0894e5c399526
diff --git a/service/src/com/android/server/BpfNetMaps.java b/service/src/com/android/server/BpfNetMaps.java
index bce9f53..26ec37a 100644
--- a/service/src/com/android/server/BpfNetMaps.java
+++ b/service/src/com/android/server/BpfNetMaps.java
@@ -279,9 +279,10 @@
     private static synchronized void ensureInitialized(final Context context) {
         if (sInitialized) return;
         if (sEnableJavaBpfMap == null) {
-            sEnableJavaBpfMap = DeviceConfigUtils.isFeatureEnabled(context,
+            sEnableJavaBpfMap = SdkLevel.isAtLeastU() ||
+                    DeviceConfigUtils.isFeatureEnabled(context,
                     DeviceConfig.NAMESPACE_TETHERING, BPF_NET_MAPS_ENABLE_JAVA_BPF_MAP,
-                    false /* defaultValue */) || SdkLevel.isAtLeastU();
+                    false /* defaultValue */);
         }
         Log.d(TAG, "BpfNetMaps is initialized with sEnableJavaBpfMap=" + sEnableJavaBpfMap);