Support building all variants. am: 04f52bafb3 am: a67390c7f5 am: ccadfb994b am: 3989d4abf1

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/which/+/1356136

Change-Id: If9c9b32845a85a73e2fffaadfa924ca4cb3d65f8
diff --git a/Android.bp b/Android.bp
index fc7db87..2b88382 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,13 +1,14 @@
 // This file is generated by cargo2android.py.
 
-rust_library_host_rlib {
+rust_library {
     name: "libwhich",
     crate_name: "which",
     srcs: ["src/lib.rs"],
     edition: "2015",
-    rlibs: [
+    rustlibs: [
         "liblibc",
     ],
+    host_supported: true,
 }
 
 // dependent_library ["feature_list"]