Add license module

Bug: 328421156
Test: Presubmit
Change-Id: I2e8c8a90e1b6cecca5653bc499ce28dc7982d4d6
diff --git a/Android.bp b/Android.bp
index 7829b4c..7e32bc2 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,7 +1,24 @@
 // This file is generated by cargo_embargo.
 // Do not modify this file as changes will be overridden on upgrade.
 
-// TODO: Add license.
+package {
+    default_applicable_licenses: ["external_rust_crates_mls_rs_core_license"],
+}
+
+// See: http://go/android-license-faq
+license {
+    name: "external_rust_crates_mls_rs_core_license",
+    visibility: [":__subpackages__"],
+    license_kinds: [
+        "SPDX-license-identifier-Apache-2.0",
+        "SPDX-license-identifier-MIT",
+    ],
+    license_text: [
+        "LICENSE-apache",
+        "LICENSE-mit",
+    ],
+}
+
 rust_library {
     name: "libmls_rs_core",
     host_supported: true,