Update EmulatedUserHal to use UserHalHelper native library.
Bug: 150409377
Test: Tested using lshal commands in go/user-hal-emulation.
cherry pick from commit I79486a715c92111d3d6f5c011b7e1cd8c5501c25
Change-Id: I4ba2202e28ef9260b38ebbf21083d55d7aa07fc9
diff --git a/automotive/vehicle/2.0/utils/UserHalHelper.h b/automotive/vehicle/2.0/utils/UserHalHelper.h
index bee34cf..fad7145 100644
--- a/automotive/vehicle/2.0/utils/UserHalHelper.h
+++ b/automotive/vehicle/2.0/utils/UserHalHelper.h
@@ -31,6 +31,11 @@
namespace user_hal_helper {
+// Verify whether the |value| can be casted to the type |T| and return the casted value on success.
+// Otherwise, return the error.
+template <typename T>
+android::base::Result<T> verifyAndCast(int32_t value);
+
// Below functions parse VehiclePropValues to the respective User HAL request structs. On success,
// these functions return the User HAL struct. Otherwise, they return the error.
android::base::Result<InitialUserInfoRequest> toInitialUserInfoRequest(