Widevine MediaCas client code that works with Android R

Android.bp

@@ -0,0 +1,40 @@
+// -----------------------------------------------------------------------------
+// CAS top level makefile
+//
+
+subdirs = ["wvutil", "protos", "plugin"]
+
+// -----------------------------------------------------------------------------
+// Builds libwvmediacas.so
+// Generates *.a, *.pb.h and *.pb.cc for *.proto files.
+//
+cc_library_shared {
+
+  name: "libwvmediacas",
+
+  proprietary: true,
+  relative_install_path: "mediacas",
+
+  shared_libs: [
+    "libcrypto",
+    "libcutils",
+    "liblog",
+    "libprotobuf-cpp-lite",
+    "libutils",
+  ],
+
+  header_libs: ["media_plugin_headers"],
+
+  static_libs: [
+    "//vendor/widevine/libwvmediacas/protos:libcas_protos",
+    "//vendor/widevine/libwvmediacas/wvutil:libcasutil",
+  ],
+
+  whole_static_libs: [
+    "//vendor/widevine/libwvmediacas/plugin:libwvcasplugins",
+  ],
+
+  proto: {
+    type: "lite",
+  },
+}