Disable dylib variant of libavb_bindgen_nostd

rust_bindgen modules now produce dylib variants. This needs to be
disabled for libavb_bindgen_nostd unless a panic handler is provided for
the dylib variant.

Bug: 294698705
Test: mma
Change-Id: I38c61d1d6d61997ed62fcefabca8d93811f0ba73
diff --git a/rust/Android.bp b/rust/Android.bp
index 9188819..ce1c261 100644
--- a/rust/Android.bp
+++ b/rust/Android.bp
@@ -70,6 +70,9 @@
         "libcrypto_baremetal",
     ],
     rustlibs: ["libzerocopy_nostd_noalloc"],
+    dylib: {
+        enabled: false,
+    },
 }
 
 // Internal source-only bindgen with std.