diff --git a/soundtrigger/2.0/Android.bp b/soundtrigger/2.0/Android.bp
index 07c05bc..996105c 100644
--- a/soundtrigger/2.0/Android.bp
+++ b/soundtrigger/2.0/Android.bp
@@ -1,5 +1,14 @@
 // This file is autogenerated by hidl-gen -Landroidbp.
 
+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"],
+}
+
 hidl_interface {
     name: "android.hardware.soundtrigger@2.0",
     root: "android.hardware",
diff --git a/soundtrigger/2.0/default/Android.bp b/soundtrigger/2.0/default/Android.bp
index 1f9ae45..8236e30 100644
--- a/soundtrigger/2.0/default/Android.bp
+++ b/soundtrigger/2.0/default/Android.bp
@@ -13,6 +13,15 @@
 // See the License for the specific language governing permissions and
 // 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_library_shared {
     name: "android.hardware.soundtrigger@2.0-core",
     defaults: ["hidl_defaults"],
diff --git a/soundtrigger/2.0/default/Android.mk b/soundtrigger/2.0/default/Android.mk
index 835a020..17e4440 100644
--- a/soundtrigger/2.0/default/Android.mk
+++ b/soundtrigger/2.0/default/Android.mk
@@ -18,6 +18,9 @@
 
 include $(CLEAR_VARS)
 LOCAL_MODULE := android.hardware.soundtrigger@2.0-impl
+LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
+LOCAL_LICENSE_CONDITIONS := notice
+LOCAL_NOTICE_FILE := $(LOCAL_PATH)/../../../NOTICE
 LOCAL_VENDOR_MODULE := true
 LOCAL_MODULE_RELATIVE_PATH := hw
 LOCAL_SRC_FILES := \
diff --git a/soundtrigger/2.0/vts/functional/Android.bp b/soundtrigger/2.0/vts/functional/Android.bp
index 86697bd..403fa9b 100644
--- a/soundtrigger/2.0/vts/functional/Android.bp
+++ b/soundtrigger/2.0/vts/functional/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_test {
     name: "VtsHalSoundtriggerV2_0TargetTest",
     defaults: ["VtsHalTargetTestDefaults"],
diff --git a/soundtrigger/2.1/Android.bp b/soundtrigger/2.1/Android.bp
index 024e0f6..7f6503c 100644
--- a/soundtrigger/2.1/Android.bp
+++ b/soundtrigger/2.1/Android.bp
@@ -1,5 +1,14 @@
 // This file is autogenerated by hidl-gen -Landroidbp.
 
+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"],
+}
+
 hidl_interface {
     name: "android.hardware.soundtrigger@2.1",
     root: "android.hardware",
diff --git a/soundtrigger/2.1/default/Android.mk b/soundtrigger/2.1/default/Android.mk
index b8d0407..602f5a7 100644
--- a/soundtrigger/2.1/default/Android.mk
+++ b/soundtrigger/2.1/default/Android.mk
@@ -18,6 +18,9 @@
 
 include $(CLEAR_VARS)
 LOCAL_MODULE := android.hardware.soundtrigger@2.1-impl
+LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
+LOCAL_LICENSE_CONDITIONS := notice
+LOCAL_NOTICE_FILE := $(LOCAL_PATH)/../../../NOTICE
 LOCAL_VENDOR_MODULE := true
 LOCAL_MODULE_RELATIVE_PATH := hw
 LOCAL_SRC_FILES := \
diff --git a/soundtrigger/2.1/vts/functional/Android.bp b/soundtrigger/2.1/vts/functional/Android.bp
index 9de913b..b013350 100644
--- a/soundtrigger/2.1/vts/functional/Android.bp
+++ b/soundtrigger/2.1/vts/functional/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_test {
     name: "VtsHalSoundtriggerV2_1TargetTest",
     defaults: ["VtsHalTargetTestDefaults"],
diff --git a/soundtrigger/2.2/Android.bp b/soundtrigger/2.2/Android.bp
index dbf4f8b..f126eed 100644
--- a/soundtrigger/2.2/Android.bp
+++ b/soundtrigger/2.2/Android.bp
@@ -1,5 +1,14 @@
 // This file is autogenerated by hidl-gen -Landroidbp.
 
+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"],
+}
+
 hidl_interface {
     name: "android.hardware.soundtrigger@2.2",
     root: "android.hardware",
diff --git a/soundtrigger/2.2/default/Android.bp b/soundtrigger/2.2/default/Android.bp
index db37c5b..768b9d6 100644
--- a/soundtrigger/2.2/default/Android.bp
+++ b/soundtrigger/2.2/default/Android.bp
@@ -13,6 +13,15 @@
 // See the License for the specific language governing permissions and
 // 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_library_shared {
     name: "android.hardware.soundtrigger@2.2-impl",
     relative_install_path: "hw",
diff --git a/soundtrigger/2.2/vts/functional/Android.bp b/soundtrigger/2.2/vts/functional/Android.bp
index b7967d9..faf6d58 100644
--- a/soundtrigger/2.2/vts/functional/Android.bp
+++ b/soundtrigger/2.2/vts/functional/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_test {
     name: "VtsHalSoundtriggerV2_2TargetTest",
     defaults: ["VtsHalTargetTestDefaults"],
diff --git a/soundtrigger/2.3/Android.bp b/soundtrigger/2.3/Android.bp
index 480df4d..e65c0ad 100644
--- a/soundtrigger/2.3/Android.bp
+++ b/soundtrigger/2.3/Android.bp
@@ -1,5 +1,14 @@
 // This file is autogenerated by hidl-gen -Landroidbp.
 
+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"],
+}
+
 hidl_interface {
     name: "android.hardware.soundtrigger@2.3",
     root: "android.hardware",
diff --git a/soundtrigger/2.3/default/Android.bp b/soundtrigger/2.3/default/Android.bp
index be2c8b0..acb7ffe 100644
--- a/soundtrigger/2.3/default/Android.bp
+++ b/soundtrigger/2.3/default/Android.bp
@@ -13,6 +13,15 @@
 // See the License for the specific language governing permissions and
 // 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_library_shared {
     name: "android.hardware.soundtrigger@2.3-impl",
     relative_install_path: "hw",
diff --git a/soundtrigger/2.3/vts/functional/Android.bp b/soundtrigger/2.3/vts/functional/Android.bp
index 2c1b9e5..e613db5 100644
--- a/soundtrigger/2.3/vts/functional/Android.bp
+++ b/soundtrigger/2.3/vts/functional/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_test {
     name: "VtsHalSoundtriggerV2_3TargetTest",
     defaults: ["VtsHalTargetTestDefaults"],