Merge pull request github#11050 from igfoo/igfoo/compiler_arguments

Kotlin: Run compiler_arguments test on all platforms

Author: igfoo

java/ql/integration-tests/posix-only/kotlin/compiler_arguments/app/build.gradle renamed to java/ql/integration-tests/all-platforms/kotlin/compiler_arguments/app/build.gradle

@@ -12,4 +12,4 @@ private string getArgument(Compilation c, int i) {
 }
 
 from Compilation c, int i
-select i, getArgument(c, i)
+select i, getArgument(c, i).replaceAll("\\", "/")

java/ql/integration-tests/posix-only/kotlin/compiler_arguments/app/src/main/kotlin/testProject/App.kt renamed to java/ql/integration-tests/all-platforms/kotlin/compiler_arguments/app/src/main/kotlin/testProject/App.kt

@@ -2,4 +2,4 @@
 
 run_codeql_database_create(
     ["gradle build --no-daemon --no-build-cache"], lang="java")
-runSuccessfully(["gradle", "clean"])
+runSuccessfully([get_cmd("gradle"), "clean"])