[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/kt42208WithVariable.kt

@@ -0,0 +1,16 @@
+// KIND: STANDALONE_LLDB
+// LLDB_TRACE: kt42208WithVariable.txt
+// FILE: kt42208-1.kt
+fun main() {
+    val a = foo()
+    a()
+    a()
+    a()
+}
+// FILE: kt42208-2.kt
+// aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+class A
+val list = mutableListOf<A>()
+inline fun foo() = { ->
+    list.add(A())
+}