Move test/cctest/compiler/test-code-stub-assembler.cc to test/cctest directory.

test/cctest/BUILD.gn

Index: test/cctest/BUILD.gn
diff --git a/test/cctest/BUILD.gn b/test/cctest/BUILD.gn
index c81280e70d5f087bd52286353a9d5420ed9609e8..6a7f1912525b30fb317ef7a46e867a7876e473fd 100644
--- a/test/cctest/BUILD.gn
+++ b/test/cctest/BUILD.gn
@@ -19,7 +19,6 @@ executable("cctest") {
     "compiler/graph-builder-tester.h",
     "compiler/test-basic-block-profiler.cc",
     "compiler/test-branch-combine.cc",
-    "compiler/test-code-stub-assembler.cc",
     "compiler/test-gap-resolver.cc",
     "compiler/test-graph-visualizer.cc",
     "compiler/test-instruction.cc",
@@ -94,6 +93,7 @@ executable("cctest") {
     "test-bit-vector.cc",
     "test-circular-queue.cc",
     "test-code-cache.cc",
+    "test-code-stub-assembler.cc",
     "test-compiler.cc",
     "test-constantpool.cc",
     "test-conversions.cc",