Migrate to cargo_embargo.

Bug: 293289578
Test: Ran cargo_embargo, compared Android.bp
Change-Id: I1895cacfa2a2afd24a96ff55c51701e5ecd04e8a
diff --git a/Android.bp b/Android.bp
index e05e052..edcf56c 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,4 +1,4 @@
-// This file is generated by cargo2android.py --config cargo2android.json.
+// This file is generated by cargo_embargo.
 // Do not modify this file as changes will be overridden on upgrade.
 
 package {
@@ -20,7 +20,6 @@
 
 rust_library {
     name: "libtracing",
-    // has rustc warnings
     host_supported: true,
     crate_name: "tracing",
     cargo_env_compat: true,
@@ -49,7 +48,6 @@
 
 rust_library {
     name: "libtracing_max_level_off",
-    // has rustc warnings
     host_supported: true,
     crate_name: "tracing",
     cargo_env_compat: true,
diff --git a/cargo2android.json b/cargo2android.json
deleted file mode 100644
index 4131f2e..0000000
--- a/cargo2android.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "run": true,
-  "device": true,
-  "variants": [
-    {
-    },
-    {
-      "features": "max_level_off",
-      "suffix": "_max_level_off"
-    }
-  ]
-}
diff --git a/cargo_embargo.json b/cargo_embargo.json
new file mode 100644
index 0000000..188aefd
--- /dev/null
+++ b/cargo_embargo.json
@@ -0,0 +1,14 @@
+{
+  "run_cargo": false,
+  "variants": [
+    {},
+    {
+      "features": [
+        "max_level_off"
+      ],
+      "module_name_overrides": {
+        "libtracing": "libtracing_max_level_off"
+      }
+    }
+  ]
+}