[LSC] Add LOCAL_LICENSE_KINDS to external/rust/crates/protobuf

Added SPDX-license-identifier-MIT to:
  Android.bp

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all

Exempt-From-Owner-Approval: janitorial work
Change-Id: I6fe8dea0db9436e168d892eaf2b30399a0943f6d
diff --git a/Android.bp b/Android.bp
index 7f83ff2..9b12815 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,5 +1,22 @@
 // This file is generated by cargo2android.py --run --dependencies --device --features=bytes --copy-out --patch=patches/Android.bp.patch.
 
+package {
+    default_applicable_licenses: ["external_rust_crates_protobuf_license"],
+}
+
+// Added automatically by a large-scale-change
+// See: http://go/android-license-faq
+license {
+    name: "external_rust_crates_protobuf_license",
+    visibility: [":__subpackages__"],
+    license_kinds: [
+        "SPDX-license-identifier-MIT",
+    ],
+    license_text: [
+        "LICENSE.txt",
+    ],
+}
+
 genrule {
     name: "copy_protobuf_build_out",
     srcs: ["out/*"],