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/Android.bp b/libs/avflog/Android.bp
new file mode 100644
index 0000000..1ddfc7a
--- /dev/null
+++ b/libs/avflog/Android.bp
@@ -0,0 +1,30 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+rust_defaults {
+    name: "libavflog.defaults",
+    crate_name: "avflog",
+    host_supported: true,
+    srcs: ["src/lib.rs"],
+    edition: "2021",
+    rustlibs: [
+        "liblog_rust",
+    ],
+}
+
+rust_library {
+    name: "libavflog",
+    defaults: ["libavflog.defaults"],
+    apex_available: [
+        "//apex_available:platform",
+        "//apex_available:anyapex",
+    ],
+}
+
+rust_test {
+    name: "libavflog.test",
+    defaults: ["libavflog.defaults"],
+    prefer_rlib: true,
+    test_suites: ["general-tests"],
+}