Merge changes I88ee8d2f,Id15ecc7f into main

* changes:
  Let the lazy CAS HAL to override the regular one
  Unmark executable bits from CAS AIDL HAL impl

cas/aidl/default/Android.bp

@@ -68,6 +68,7 @@ cc_binary {
     defaults: ["cas_service_example_defaults"],
     init_rc: ["cas-default-lazy.rc"],
     cflags: ["-DLAZY_SERVICE"],
+    overrides: ["android.hardware.cas-service.example"],
 }
 
 cc_fuzz {