Added initial HIDL interface for the biometric face HAL.

Notes:
- Added a basic interface, a stub callback interface and a stubs for
  needed public types.
- Ran make hidl-gen -j64 && hardware/interfaces/update-makefiles.sh
  to create build files for the interface.

Bug: 79577138
Test: None added. This commit simply adds a new interface.
Change-Id: I14b7238dd9ee1076f77c1b60117bdaa156a4f0f5
diff --git a/biometrics/face/1.0/Android.bp b/biometrics/face/1.0/Android.bp
new file mode 100644
index 0000000..61bf247
--- /dev/null
+++ b/biometrics/face/1.0/Android.bp
@@ -0,0 +1,26 @@
+// This file is autogenerated by hidl-gen -Landroidbp.
+
+hidl_interface {
+    name: "android.hardware.biometrics.face@1.0",
+    root: "android.hardware",
+    vndk: {
+        enabled: true,
+    },
+    srcs: [
+        "types.hal",
+        "IBiometricsFace.hal",
+        "IBiometricsFaceClientCallback.hal",
+    ],
+    interfaces: [
+        "android.hidl.base@1.0",
+    ],
+    types: [
+        "FaceAcquiredInfo",
+        "FaceError",
+        "OptionalUint64",
+        "Status",
+        "UserHandle",
+    ],
+    gen_java: true,
+}
+