Enable feature std in ciborium-io am: 8e269e8e am: 6a90a30f am: fdec6a94 am: 9df5ae6b

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/ciborium-io/+/1976772

Change-Id: I5cdc8504ad2af33018179673e3f00184523acca2

Android.bp

@@ -11,5 +11,8 @@ rust_library {
     cargo_pkg_version: "0.2.0",
     srcs: ["src/lib.rs"],
     edition: "2021",
-    features: ["alloc"],
+    features: [
+        "alloc",
+        "std",
+    ],
 }

cargo2android.json

 {
   "device": true,
-  "features": "alloc,",
+  "features": "alloc,std,",
   "run": true,
   "dependencies": true
 }