diff --git a/automotive/occupant_awareness/aidl/Android.bp b/automotive/occupant_awareness/aidl/Android.bp
index 4127f33..26c53fa 100644
--- a/automotive/occupant_awareness/aidl/Android.bp
+++ b/automotive/occupant_awareness/aidl/Android.bp
@@ -1,3 +1,12 @@
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
 aidl_interface {
     name: "android.hardware.automotive.occupant_awareness",
     vendor_available: true,
diff --git a/automotive/occupant_awareness/aidl/default/Android.bp b/automotive/occupant_awareness/aidl/default/Android.bp
index 1e50930..4db43bb 100644
--- a/automotive/occupant_awareness/aidl/default/Android.bp
+++ b/automotive/occupant_awareness/aidl/default/Android.bp
@@ -14,6 +14,15 @@
  * limitations under the License.
  */
 
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
 cc_binary {
     name: "android.hardware.automotive.occupant_awareness@1.0-service",
     init_rc: ["android.hardware.automotive.occupant_awareness@1.0-service.rc"],
diff --git a/automotive/occupant_awareness/aidl/mock/Android.bp b/automotive/occupant_awareness/aidl/mock/Android.bp
index 64ca733..275eb22 100644
--- a/automotive/occupant_awareness/aidl/mock/Android.bp
+++ b/automotive/occupant_awareness/aidl/mock/Android.bp
@@ -14,6 +14,15 @@
  * limitations under the License.
  */
 
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
 cc_binary {
     name: "android.hardware.automotive.occupant_awareness@1.0-service_mock",
     relative_install_path: "hw",
diff --git a/automotive/occupant_awareness/aidl/vts/functional/Android.bp b/automotive/occupant_awareness/aidl/vts/functional/Android.bp
index dbd0538..f248aa9 100644
--- a/automotive/occupant_awareness/aidl/vts/functional/Android.bp
+++ b/automotive/occupant_awareness/aidl/vts/functional/Android.bp
@@ -1,3 +1,12 @@
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
 cc_test {
     name: "VtsHalOccupantAwarenessV1_0TargetTest",
     defaults: [