Import 'proc-macro-hack' rust crate version 0.5.12

Bug: b/151760391
Test: m crosvm.experimental
Change-Id: I70ccc8c3a5640eab38ce5bcfea97feedad7e972d
diff --git a/Android.bp b/Android.bp
new file mode 100644
index 0000000..c8253df
--- /dev/null
+++ b/Android.bp
@@ -0,0 +1,19 @@
+// This file is generated by cargo2android.py.
+
+rust_proc_macro {
+    name: "libproc_macro_hack",
+    crate_name: "proc_macro_hack",
+    srcs: ["src/lib.rs"],
+    edition: "2018",
+    rlibs: [
+        "libproc_macro2",
+        "libquote",
+        "libsyn",
+    ],
+}
+
+// dependent_library ["feature_list"]
+//   proc-macro2-1.0.9 "default,proc-macro"
+//   quote-1.0.3 "default,proc-macro"
+//   syn-1.0.16 "clone-impls,default,derive,parsing,printing,proc-macro,quote"
+//   unicode-xid-0.2.0 "default"