Add faceauth HAL APEX

This moves the faceauth HAL into a vendor apex:
  com.android.hardware.biometrics.face

The contents:

  ./apex_manifest.pb
  ./bin/hw/android.hardware.biometrics.face-service.example
  ./etc/face-default-apex.rc
  ./etc/permissions/android.hardware.biometrics.face.prebuilt.xml
  ./etc/vintf/face-default-apex.xml
  ./lib64/android.hardware.biometrics.common-V2-ndk.so
  ./lib64/android.hardware.biometrics.face-V2-ndk.so
  ./lib64/android.hardware.keymaster-V3-ndk.so

Bug: 279674662
Test: Not installed yet
Test: m com.android.hardware.biometrics.face
Change-Id: I6e52c83601d29bcc6a9ef4e165fab48f3579426c
diff --git a/biometrics/face/aidl/default/Android.bp b/biometrics/face/aidl/default/Android.bp
index 7f66eca..8aa06f8 100644
--- a/biometrics/face/aidl/default/Android.bp
+++ b/biometrics/face/aidl/default/Android.bp
@@ -7,11 +7,21 @@
     default_applicable_licenses: ["hardware_interfaces_license"],
 }
 
+filegroup {
+    name: "face-default.rc",
+    srcs: ["face-default.rc"],
+}
+
+filegroup {
+    name: "face-default.xml",
+    srcs: ["face-default.xml"],
+}
+
 cc_binary {
     name: "android.hardware.biometrics.face-service.example",
     relative_install_path: "hw",
-    init_rc: ["face-default.rc"],
-    vintf_fragments: ["face-default.xml"],
+    init_rc: [":face-default.rc"],
+    vintf_fragments: [":face-default.xml"],
     vendor: true,
     shared_libs: [
         "libbase",