Regenerate Android.bp with new cargo2android.py

Test: make
Change-Id: I9f14299f7eb88f27d41423f826c780b95aec89bb
diff --git a/Android.bp b/Android.bp
index 909135a..bbee4e5 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,19 +1,8 @@
-// This file is generated by cargo2android.py.
+// This file is generated by cargo2android.py --run --dependencies.
 
 rust_proc_macro {
     name: "libproc_macro_hack",
     crate_name: "proc_macro_hack",
     srcs: ["src/lib.rs"],
     edition: "2018",
-    rustlibs: [
-        "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"