Squashed 'external/xbyak/' content from commit 9d8ff37

git-subtree-dir: external/xbyak
git-subtree-split: 9d8ff37306f39c6a71cf998078cbe880ce5dc224

Android.bp

@@ -0,0 +1,8 @@
+//#################################################
+cc_library_headers {
+    name: "xbyak_headers",
+    vendor: true,
+    export_include_dirs: [
+        "xbyak"
+    ],
+}