Enable the Java backend for IFace

Bug: 171335732
Test: m android.hardware.biometrics.face-update-api
Change-Id: I4c295513217641c3e494a1b2d83f69aeab4c804e
diff --git a/biometrics/face/aidl/Android.bp b/biometrics/face/aidl/Android.bp
index 4f8b71d..a4fcbfe 100644
--- a/biometrics/face/aidl/Android.bp
+++ b/biometrics/face/aidl/Android.bp
@@ -12,8 +12,7 @@
     stability: "vintf",
     backend: {
         java: {
-            enabled: false,
-            platform_apis: false,
+            platform_apis: true,
         },
         cpp: {
             enabled: false,