[LSC] Add LOCAL_LICENSE_KINDS to external/rust/crates/plotters-backend

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: I1b30ac7cb998c7f04cac80bbf75698e5a4bda0fd
diff --git a/Android.bp b/Android.bp
index b5f1a77..4b28758 100644
--- a/Android.bp
+++ b/Android.bp
@@ -1,6 +1,25 @@
 // This file is generated by cargo2android.py --run --device --dependencies.
 // Do not modify this file as changes will be overridden on upgrade.
 
+package {
+    default_applicable_licenses: [
+        "external_rust_crates_plotters-backend_license",
+    ],
+}
+
+// Added automatically by a large-scale-change
+// See: http://go/android-license-faq
+license {
+    name: "external_rust_crates_plotters-backend_license",
+    visibility: [":__subpackages__"],
+    license_kinds: [
+        "SPDX-license-identifier-MIT",
+    ],
+    license_text: [
+        "LICENSE",
+    ],
+}
+
 rust_library {
     name: "libplotters_backend",
     host_supported: true,