Always use V4 FEATURE_HARDWARE_KEYSTORE XML file

This is possible because the interfaces have been frozen.

Bug: 380020528
Bug: 369375199
Test: Treehugger
Change-Id: I3b64710b29a2c0d4462fd735d412587e26a31aeb
diff --git a/trusty/keymaster/Android.bp b/trusty/keymaster/Android.bp
index 8ebfc1a..f2c284a 100644
--- a/trusty/keymaster/Android.bp
+++ b/trusty/keymaster/Android.bp
@@ -120,10 +120,9 @@
         "libtrusty",
         "libutils",
     ],
-    required: select(release_flag("RELEASE_AIDL_USE_UNFROZEN"), {
-        true: ["android.hardware.hardware_keystore.xml"],
-        default: ["android.hardware.hardware_keystore_V3.xml"],
-    }),
+    required: [
+        "android.hardware.hardware_keystore.xml",
+    ],
 }
 
 prebuilt_etc {
diff --git a/trusty/keymint/Android.bp b/trusty/keymint/Android.bp
index 36efb1b..caaaac2 100644
--- a/trusty/keymint/Android.bp
+++ b/trusty/keymint/Android.bp
@@ -42,10 +42,7 @@
     defaults: ["android.hardware.security.keymint-service.rust.trusty.default"],
     init_rc: ["android.hardware.security.keymint-service.rust.trusty.rc"],
     vintf_fragments: ["android.hardware.security.keymint-service.rust.trusty.xml"],
-    required: select(release_flag("RELEASE_AIDL_USE_UNFROZEN"), {
-        true: ["android.hardware.hardware_keystore.xml"],
-        default: ["android.hardware.hardware_keystore_V3.xml"],
-    }),
+    required: ["android.hardware.hardware_keystore.xml"],
 }
 
 rust_binary {