Add sEnableJavaBpfMap value to the dump

Bug: 217624062
Test: dumpsys connectivity trafficcontroller
Change-Id: Icf3df3aac827e65415a8304df87a685272f38f9e
diff --git a/service/src/com/android/server/BpfNetMaps.java b/service/src/com/android/server/BpfNetMaps.java
index 873cd7c..aea2103 100644
--- a/service/src/com/android/server/BpfNetMaps.java
+++ b/service/src/com/android/server/BpfNetMaps.java
@@ -1022,6 +1022,8 @@
         }
         mDeps.nativeDump(fd, verbose);
 
+        pw.println();
+        pw.println("sEnableJavaBpfMap: " + sEnableJavaBpfMap);
         if (verbose) {
             pw.println();
             pw.println("BPF map content:");