Control libfuse logs with persist.sys.fuse.log prop

Test: Manual
Bug: 154925707
Change-Id: Ibc5d6c066a8bb1b45ca5f532b7aed5aab2ae46d1
diff --git a/jni/FuseDaemon.cpp b/jni/FuseDaemon.cpp
index 9a27c5b..50d8d3c 100644
--- a/jni/FuseDaemon.cpp
+++ b/jni/FuseDaemon.cpp
@@ -1622,7 +1622,9 @@
     }
 
     // Custom logging for libfuse
-    fuse_set_log_func(fuse_logger);
+    if (android::base::GetBoolProperty("persist.sys.fuse.log", false)) {
+        fuse_set_log_func(fuse_logger);
+    }
 
     struct fuse_session
             * se = fuse_session_new(&args, &ops, sizeof(ops), &fuse_default);