Minor, update argfile usage description

compiler/cli/src/org/jetbrains/kotlin/cli/common/Usage.java

@@ -97,7 +97,7 @@ public class Usage {
         while (sb.length() < descriptionStart) {
             sb.append(" ");
         }
-        appendln(sb, "Expand compiler arguments from the given file, containing one argument or file path per line");
+        appendln(sb, "Read compiler arguments and file paths from the given file");
     }
 
     private static void appendln(@NotNull StringBuilder sb, @NotNull String string) {

compiler/testData/cli/js-dce/dceHelp.out

@@ -10,5 +10,5 @@ where possible options include:
   -nowarn                    Generate no warnings
   -verbose                   Enable verbose logging output
   -version                   Display compiler version
-  @<argfile>                 Expand compiler arguments from the given file, containing one argument or file path per line
+  @<argfile>                 Read compiler arguments and file paths from the given file
 OK

compiler/testData/cli/js/jsHelp.out

@@ -31,5 +31,5 @@ where possible options include:
   -nowarn                    Generate no warnings
   -verbose                   Enable verbose logging output
   -version                   Display compiler version
-  @<argfile>                 Expand compiler arguments from the given file, containing one argument or file path per line
+  @<argfile>                 Read compiler arguments and file paths from the given file
 OK

compiler/testData/cli/jvm/help.out

@@ -29,5 +29,5 @@ where possible options include:
   -nowarn                    Generate no warnings
   -verbose                   Enable verbose logging output
   -version                   Display compiler version
-  @<argfile>                 Expand compiler arguments from the given file, containing one argument or file path per line
+  @<argfile>                 Read compiler arguments and file paths from the given file
 OK