Use new no-std flag to cargo2android. am: 6159b18b27 am: 2078c14613 am: 71743a210b am: 21f4df476a am: 619be50981

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/buddy_system_allocator/+/2586925

Change-Id: Id09135cfb24458a498de9c85b4977cd3633d426e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/Android.bp b/Android.bp
index 0b7c95c..f25a29d 100644
--- a/Android.bp
+++ b/Android.bp
@@ -22,7 +22,6 @@
 
 rust_library_rlib {
     name: "libbuddy_system_allocator",
-    host_supported: true,
     crate_name: "buddy_system_allocator",
     cargo_env_compat: true,
     cargo_pkg_version: "0.9.0",
@@ -40,4 +39,13 @@
         "//apex_available:platform",
         "//apex_available:anyapex",
     ],
+    prefer_rlib: true,
+    no_stdlibs: true,
+    stdlibs: [
+        "liballoc.rust_sysroot",
+        "libcompiler_builtins.rust_sysroot",
+        "libcore.rust_sysroot",
+    ],
+    product_available: true,
+    vendor_available: true,
 }
diff --git a/cargo2android.json b/cargo2android.json
index 1b9849e..b80410f 100644
--- a/cargo2android.json
+++ b/cargo2android.json
@@ -1,7 +1,10 @@
 {
+  "alloc": true,
   "dependencies": true,
+  "dependency-suffix": "_nostd",
   "device": true,
   "force-rlib": true,
-  "patch": "patches/Android.bp.patch",
+  "no-host": true,
+  "no-std": true,
   "run": true
 }
diff --git a/patches/Android.bp.patch b/patches/Android.bp.patch
deleted file mode 100644
index 58b4878..0000000
--- a/patches/Android.bp.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/Android.bp b/Android.bp
-index bbd9e06..6dae9e8 100644
---- a/Android.bp
-+++ b/Android.bp
-@@ -61,7 +61,7 @@ rust_library_rlib {
-         "use_spin",
-     ],
-     rustlibs: [
--        "libspin",
-+        "libspin_nostd",
-     ],
-     apex_available: [
-         "//apex_available:platform",