diff --git a/tests/extension/vibrator/aidl/aidl_api/android.hardware.tests.extension.vibrator/current/android/hardware/tests/extension/vibrator/Directionality.aidl b/tests/extension/vibrator/aidl/aidl_api/android.hardware.tests.extension.vibrator/current/android/hardware/tests/extension/vibrator/Directionality.aidl
new file mode 100644
index 0000000..26eb1b48
--- /dev/null
+++ b/tests/extension/vibrator/aidl/aidl_api/android.hardware.tests.extension.vibrator/current/android/hardware/tests/extension/vibrator/Directionality.aidl
@@ -0,0 +1,24 @@
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
+// edit this file. It looks like you are doing that because you have modified
+// an AIDL interface in a backward-incompatible way, e.g., deleting a function
+// from an interface or a field from a parcelable and it broke the build. That
+// breakage is intended.
+//
+// You must not make a backward incompatible changes to the AIDL files built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.tests.extension.vibrator;
+@Backing(type="int") @VintfStability
+enum Directionality {
+  NONE = 0,
+  TRANSVERSE = 1,
+  LONGITUDINAL = 2,
+}
diff --git a/tests/extension/vibrator/aidl/aidl_api/android.hardware.tests.extension.vibrator/current/android/hardware/tests/extension/vibrator/ICustomVibrator.aidl b/tests/extension/vibrator/aidl/aidl_api/android.hardware.tests.extension.vibrator/current/android/hardware/tests/extension/vibrator/ICustomVibrator.aidl
new file mode 100644
index 0000000..ed9a3c6
--- /dev/null
+++ b/tests/extension/vibrator/aidl/aidl_api/android.hardware.tests.extension.vibrator/current/android/hardware/tests/extension/vibrator/ICustomVibrator.aidl
@@ -0,0 +1,25 @@
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
+// edit this file. It looks like you are doing that because you have modified
+// an AIDL interface in a backward-incompatible way, e.g., deleting a function
+// from an interface or a field from a parcelable and it broke the build. That
+// breakage is intended.
+//
+// You must not make a backward incompatible changes to the AIDL files built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.tests.extension.vibrator;
+@VintfStability
+interface ICustomVibrator {
+  int getVendorCapabilities();
+  void setDirectionality(android.hardware.tests.extension.vibrator.Directionality directionality);
+  int perform(android.hardware.tests.extension.vibrator.VendorEffect effect, android.hardware.vibrator.IVibratorCallback callback);
+  const int CAP_VENDOR_DIRECTIONALITY = 1;
+}
diff --git a/tests/extension/vibrator/aidl/aidl_api/android.hardware.tests.extension.vibrator/current/android/hardware/tests/extension/vibrator/VendorEffect.aidl b/tests/extension/vibrator/aidl/aidl_api/android.hardware.tests.extension.vibrator/current/android/hardware/tests/extension/vibrator/VendorEffect.aidl
new file mode 100644
index 0000000..4d03a0a
--- /dev/null
+++ b/tests/extension/vibrator/aidl/aidl_api/android.hardware.tests.extension.vibrator/current/android/hardware/tests/extension/vibrator/VendorEffect.aidl
@@ -0,0 +1,23 @@
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
+// edit this file. It looks like you are doing that because you have modified
+// an AIDL interface in a backward-incompatible way, e.g., deleting a function
+// from an interface or a field from a parcelable and it broke the build. That
+// breakage is intended.
+//
+// You must not make a backward incompatible changes to the AIDL files built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.tests.extension.vibrator;
+@Backing(type="int") @VintfStability
+enum VendorEffect {
+  CRACKLE = 0,
+  WIGGLE = 1,
+}