Make crates depending on proc-macro host-only am: 72f87380d8 am: 23bc9a1ec2
am: 481d39e4a0

Change-Id: I402371074cfd6334af19e0e8cd467138007b6711
diff --git a/0.15.42/Android.bp b/0.15.42/Android.bp
index c8b9037..ce24426 100644
--- a/0.15.42/Android.bp
+++ b/0.15.42/Android.bp
@@ -1,8 +1,7 @@
 // This file is generated by cargo2android.py.
 
-rust_library_rlib {
+rust_library_host_rlib {
     name: "libsyn",
-    host_supported: true,
     crate_name: "syn",
     srcs: ["src/lib.rs"],
     edition: "2015",
diff --git a/1.0.7/Android.bp b/1.0.7/Android.bp
index f219ed6..55198eb 100644
--- a/1.0.7/Android.bp
+++ b/1.0.7/Android.bp
@@ -1,8 +1,7 @@
 // This file is generated by cargo2android.py.
 
-rust_library_rlib {
+rust_library_host_rlib {
     name: "libsyn-1.0.7",
-    host_supported: true,
     crate_name: "syn",
     srcs: ["src/lib.rs"],
     edition: "2018",