[K/N] Migrate LLDB test to blackboxtest

This change only introduces a single sample test together
with the necessary plumbing for basic LLDB testing.
Migrating the rest of the tests over and introducing more
complex interop setups will be tackled as a follow-up.

native/native.tests/testData/lldb/kt33055.kt

@@ -0,0 +1,15 @@
+// KIND: STANDALONE_LLDB
+// FREE_COMPILER_ARGS: -Xg-generate-debug-trampoline=enable
+// LLDB_TRACE: kt33055.txt
+// FILE: kt33055.kt
+fun question(subject: String, names: Array<String> = emptyArray()): String {
+    return buildString { // breakpoint here
+        append("$subject?") // actual stop
+        for (name in names)
+            append(" $name?")
+    }
+}
+
+fun main(args: Array<String>) {
+    println(question("Subject", args))
+}