Plumbing to recognize AV1 content

Recognize AV1 content in various container formats, so we can extract
and pass to the AV1 codec.

Bug: 111936705
Test: playback of AV1 videos
Change-Id: I8a5523741481586b3569006236bd1fc92869ee76
diff --git a/media/codec2/components/aom/Android.bp b/media/codec2/components/aom/Android.bp
new file mode 100644
index 0000000..0fabf5c
--- /dev/null
+++ b/media/codec2/components/aom/Android.bp
@@ -0,0 +1,14 @@
+cc_library_shared {
+    name: "libcodec2_soft_av1dec",
+    defaults: [
+        "libcodec2_soft-defaults",
+        "libcodec2_soft_sanitize_all-defaults",
+    ],
+
+    srcs: ["C2SoftAomDec.cpp"],
+    static_libs: ["libaom"],
+
+    include_dirs: [
+        "external/libaom/",
+    ],
+}