Switch aidl::nullable to std::optional

AIDL's @nullable is represented as std::optional in C++ backend.
The previous aidl::nullable was a temporary solution to avoid
merge-conflicts between rvc-dev and master branches.

Bug: 151275535
Test: m
Change-Id: I8fe5bfc1763087e7ff364b4408f862436492d1db

1 files changed, 2 insertions, 2 deletions

diff --git a/cmds/idmap2/idmap2d/Idmap2Service.cpp b/cmds/idmap2/idmap2d/Idmap2Service.cpp
index a6c402ccc075..15e22a3410cf 100644
--- a/cmds/idmap2/idmap2d/Idmap2Service.cpp
+++ b/cmds/idmap2/idmap2d/Idmap2Service.cpp
@@ -166,7 +166,7 @@ Status Idmap2Service::verifyIdmap(const std::string& target_apk_path,
 Status Idmap2Service::createIdmap(const std::string& target_apk_path,
                                   const std::string& overlay_apk_path, int32_t fulfilled_policies,
                                   bool enforce_overlayable, int32_t user_id ATTRIBUTE_UNUSED,
-                                  aidl::nullable<std::string>* _aidl_return) {
+                                  std::optional<std::string>* _aidl_return) {
   assert(_aidl_return);
   SYSTRACE << "Idmap2Service::createIdmap " << target_apk_path << " " << overlay_apk_path;
   _aidl_return->reset();
@@ -214,7 +214,7 @@ Status Idmap2Service::createIdmap(const std::string& target_apk_path,
     return error("failed to write to idmap path " + idmap_path);
   }
 
-  *_aidl_return = aidl::make_nullable<std::string>(idmap_path);
+  *_aidl_return = idmap_path;
   return ok();
 }