[gn] Fix gn targets for tools

tools/BUILD.gn

 # Copyright 2016 the V8 project authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("../gni/isolate.gni")
 
 group("gn_all") {
   testonly = true
 
   if (v8_test_isolation_mode != "noop") {
     deps = [
-      ":check_static_initializers_run",
+      ":check-static-initializers_run",
       ":jsfunfuzz_run",
-      ":run_deopt_fuzzer_run",
-      ":run_gcmole_run",
-      ":run_valgrind_run",
+      ":run-deopt-fuzzer_run",
+      ":run-gcmole_run",
+      ":run-valgrind_run",
     ]
   }
 }
 
-v8_isolate_run("check_static_initializers") {
+v8_isolate_run("check-static-initializers") {
   deps = [
     "..:d8_run",
   ]
 
   isolate = "check-static-initializers.isolate"
 }
 
 v8_isolate_run("jsfunfuzz") {
   deps = [
     "..:d8_run",
   ]
 
   isolate = "jsfunfuzz/jsfunfuzz.isolate"
 }
 
-v8_isolate_run("run_deopt_fuzzer") {
+v8_isolate_run("run-deopt-fuzzer") {
   deps = [
     "..:d8_run",
   ]
 
   isolate = "run-deopt-fuzzer.isolate"
 }
 
-v8_isolate_run("run_gcmole") {
+v8_isolate_run("run-gcmole") {
   deps = [
     "..:d8_run",
   ]
 
   isolate = "gcmole/run-gcmole.isolate"
 }
 
-v8_isolate_run("run_valgrind") {
+v8_isolate_run("run-valgrind") {
   deps = [
     "..:d8_run",
   ]
 
   isolate = "run-valgrind.isolate"
 }