Update VHAL property version to v3.

Bug: 295405997
Test: Manual Build
Change-Id: I2faf065006e6889309caf69a9b277f42fdc00702
diff --git a/automotive/vehicle/aidl_property/Android.bp b/automotive/vehicle/aidl_property/Android.bp
index 19fa4a3..db96382 100644
--- a/automotive/vehicle/aidl_property/Android.bp
+++ b/automotive/vehicle/aidl_property/Android.bp
@@ -28,7 +28,7 @@
         // This HAL was originally part of android.hardware.automotive.vehicle
         "android/hardware/automotive/vehicle/*.aidl",
     ],
-    frozen: true,
+    frozen: false,
     stability: "vintf",
     backend: {
         cpp: {
@@ -52,7 +52,6 @@
             version: "2",
             imports: [],
         },
-
     ],
 
 }