libcutils: add method to get klog level

Change-Id: I55e8311bae97703be26e57b415a8ab0a6d9b4361
diff --git a/libcutils/klog.c b/libcutils/klog.c
index d3c40df..fbb7b72 100644
--- a/libcutils/klog.c
+++ b/libcutils/klog.c
@@ -28,6 +28,10 @@
 static int klog_fd = -1;
 static int klog_level = KLOG_DEFAULT_LEVEL;
 
+int klog_get_level(void) {
+    return klog_level;
+}
+
 void klog_set_level(int level) {
     klog_level = level;
 }