Move biometrics into biometric namespace

All biometrics (fingerprint/iris/face) are now under
android.hardware.biometrics namespace. Fingerprint has a legacy
android.hardware.fingerprint definition for compatibility.

Bug: 115639644

Test: biometrics are available on their respective devices

Change-Id: I947d6793a879b2b92aea2ed5e57c86e490c7289e
diff --git a/data/etc/android.hardware.biometrics.face.xml b/data/etc/android.hardware.biometrics.face.xml
new file mode 100644
index 0000000..7fa0bf9
--- /dev/null
+++ b/data/etc/android.hardware.biometrics.face.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2018 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<!-- This is the standard set of features for a biometric face authentication sensor. -->
+<permissions>
+    <feature name="android.hardware.biometrics.face" />
+</permissions>