[LSC] Add LOCAL_LICENSE_KINDS to tools/metalava

Added SPDX-license-identifier-Apache-2.0 to:
  Android.bp

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all

Exempt-From-Owner-Approval: janitorial work
Change-Id: I9c0ca913731e710071cc7e0a94a2a01892cb1e6b
diff --git a/Android.bp b/Android.bp
index 7e90b4c..921deaf 100644
--- a/Android.bp
+++ b/Android.bp
@@ -12,6 +12,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
 java_binary_host {
     name: "metalava",
     srcs: [