Generate apex_available from c2a instead of a patch

Test: Run c2a
Test: Build
Change-Id: Ied507cdb50f813a63df496d0d2ba8995f5aab24a
diff --git a/Android.bp b/Android.bp
index 724ac82..e0d1ff8 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,4 +1,5 @@
-// This file is generated by cargo2android.py --run --device --dependencies --tests --patch=patches/Android.bp.patch.
+// This file is generated by cargo2android.py --config cargo2android.json.
+// Do not modify this file as changes will be overridden on upgrade.
 
 package {
     default_applicable_licenses: ["external_rust_crates_matches_license"],
diff --git a/cargo2android.json b/cargo2android.json
new file mode 100644
index 0000000..911c36f
--- /dev/null
+++ b/cargo2android.json
@@ -0,0 +1,11 @@
+{
+  "apex-available": [
+    "//apex_available:platform",
+    "com.android.resolv"
+  ],
+  "dependencies": true,
+  "device": true,
+  "min-sdk-version": "29",
+  "run": true,
+  "tests": true
+}
\ No newline at end of file
diff --git a/patches/Android.bp.patch b/patches/Android.bp.patch
deleted file mode 100644
index d7fd1ba..0000000
--- a/patches/Android.bp.patch
+++ /dev/null
@@ -1,16 +0,0 @@
-diff --git a/Android.bp b/Android.bp
-index de4144e..dc2efcc 100644
---- a/Android.bp
-+++ b/Android.bp
-@@ -7,6 +7,11 @@ rust_library {
-     crate_name: "matches",
-     srcs: ["lib.rs"],
-     edition: "2015",
-+    apex_available: [
-+        "//apex_available:platform",
-+        "com.android.resolv",
-+    ],
-+    min_sdk_version: "29",
- }
- 
- rust_defaults {