[Japanese Usage Dictionary] Set the delay to show the floating usage dictionary window to 1000ms (1s) only for Android.

PiperOrigin-RevId: 728071129

src/engine/BUILD.bazel

@@ -502,6 +502,7 @@ mozc_cc_library(
     ],
     deps = [
         ":candidate_list",
+        "//base:port",
         "//base:text_normalizer",
         "//base:util",
         "//base:version",

src/engine/engine_output.cc

@@ -44,6 +44,7 @@
 #include "absl/strings/str_split.h"
 #include "absl/strings/string_view.h"
 #include "absl/types/span.h"
+#include "base/port.h"
 #include "base/strings/assign.h"
 #include "base/text_normalizer.h"
 #include "base/util.h"
@@ -276,6 +277,10 @@ void FillUsages(const Segment &segment, const CandidateList &cand_list,
 
   commands::InformationList *usages = candidate_window_proto->mutable_usages();
 
+  if (TargetIsAndroid()) {
+    usages->set_delay(1000);
+  }
+
   using IndexInfoPair = std::pair<int32_t, commands::Information *>;
   absl::flat_hash_map<int32_t, IndexInfoPair> usageid_information_map;
   // Store usages.