audio: clean up makefiles

* Restructure to remove dependencies elsewhere in the AOSP tree, move APEX
  definition from subdirectory, 'bpfmt -s -w Andoid.bp', etc.
* Remove package license definitions that are not visible in this context.

audio/config/audioPolicy/capengine/Android.bp

@@ -1,12 +1,7 @@
-package {
-    default_team: "trendy_team_android_media_audio_framework",
-    // See: http://go/android-license-faq
-    // A large-scale-change added 'default_applicable_licenses' to import
-    // all of the 'license_kinds' from "hardware_interfaces_license"
-    // to get the below license kinds:
-    //   SPDX-license-identifier-Apache-2.0
-    default_applicable_licenses: ["hardware_interfaces_license"],
-}
+// Copyright (C) 2022 The Android Open Source Project
+// Copyright (C) 2025 KonstaKANG
+//
+// SPDX-License-Identifier: Apache-2.0
 
 xsd_config {
     name: "audio_policy_capengine_configuration_aidl_rpi",