Revert "Revert "Implement addAuthToken method of IKeystoreAuthorization ...""

This reverts commit 96f410658821497db0f562c2ba2bc359bc3b1dfc.

Reason for revert: This change does not have an impact on the observed behavior, It can land by itself.

Change-Id: I7e1ff63d0bae77b4382047eaaacb8d34e31e2bc4
diff --git a/keystore2/aidl/Android.bp b/keystore2/aidl/Android.bp
index 0d05dfe..696f38e 100644
--- a/keystore2/aidl/Android.bp
+++ b/keystore2/aidl/Android.bp
@@ -28,8 +28,8 @@
 }
 
 aidl_interface {
-    name: "android.security.authorizations",
-    srcs: [ "android/security/authorizations/*.aidl" ],
+    name: "android.security.authorization",
+    srcs: [ "android/security/authorization/*.aidl" ],
     imports: [ "android.hardware.security.keymint" ],
     unstable: true,
     backend: {