Rename avfutil to avflog

.. so that it won't become a dump ground.

Bug: 295168844
Test: build
Change-Id: I7e583211ac9d2db0d56fdfa0092c91a123f138ea
diff --git a/libs/avflog/TEST_MAPPING b/libs/avflog/TEST_MAPPING
new file mode 100644
index 0000000..921c4d8
--- /dev/null
+++ b/libs/avflog/TEST_MAPPING
@@ -0,0 +1,9 @@
+// When adding or removing tests here, don't forget to amend _all_modules list in
+// wireless/android/busytown/ath_config/configs/prod/avf/tests.gcl
+{
+  "avf-presubmit" : [
+    {
+      "name" : "libavflog.test"
+    }
+  ]
+}