audio_kernel: convert Android.mk to Android.bp audio_kernel_headers

Change-Id: Icfc26efae1d7c3b1a05f4a958115e8a1408d7f12
diff --git a/Android.bp b/Android.bp
new file mode 100644
index 0000000..4422132
--- /dev/null
+++ b/Android.bp
@@ -0,0 +1,18 @@
+gensrcs {
+    name: "qcom-audio-kernel-includes",
+    cmd: "$(location headers_install.sh) `dirname $(out)` `dirname $(in)` `basename $(in)`",
+    tools: ["headers_install.sh"],
+    export_include_dirs: ["include/uapi"],
+    srcs: [
+        "include/uapi/**/*.h",
+    ],
+    output_extension: "h",
+}
+
+cc_library_headers {
+    name: "qcom_audio_kernel_headers",
+    generated_headers: ["qcom-audio-kernel-includes"],
+    export_generated_headers: ["qcom-audio-kernel-includes"],
+    vendor: true,
+    recovery_available: true,
+}