[LSC] Add LOCAL_LICENSE_KINDS to tools/doc_generation am: dfe7deb9d3 am: 11053cdb45 am: 6d65a9c3ac am: 31a58f9adb

Original change: https://android-review.googlesource.com/c/platform/tools/doc_generation/+/1589088

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I2a804e97b2ab5ee416326b4f13357d13424bcc4b
diff --git a/Android.bp b/Android.bp
index 6e38175..4f473a0 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"],
+}
+
 python_binary_host {
     name: "switcher4",
     srcs: ["switcher4.py",],