ModuleObjcMessageTrace: use a more generalized directory name. NFC

Author: nkcsgexi

lib/FrontendTool/LoadedModuleTrace.cpp

@@ -914,7 +914,7 @@ bool swift::emitObjCMessageSendTraceIfNeeded(ModuleDecl *mainModule,
       return false;
     llvm::SmallString<128> tracePath {loadedModuleTracePath};
     llvm::sys::path::remove_filename(tracePath);
-    llvm::sys::path::append(tracePath, ".SWIFT_OBJC_MESSAGE_TRACE");
+    llvm::sys::path::append(tracePath, ".SWIFT_FINE_DEPENDENCY_TRACE");
     if (!llvm::sys::fs::exists(tracePath)) {
       if (llvm::sys::fs::create_directory(tracePath))
         return false;

test/IDE/objc_send_collector.swift

@@ -1,7 +1,7 @@
 // RUN: %empty-directory(%t)
 
 // RUN: %target-swift-frontend  -I %t/lib/swift -typecheck %s -module-name main -swift-version 5 -F %S/Inputs/mock-sdk -emit-loaded-module-trace-path %t/.MODULE_TRACE
-// RUN: cat %t/.SWIFT_OBJC_MESSAGE_TRACE/* | %FileCheck %s
+// RUN: cat %t/.SWIFT_FINE_DEPENDENCY_TRACE/* | %FileCheck %s
 
 // REQUIRES: objc_interop