[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/canInspectClasses.kt

@@ -0,0 +1,12 @@
+// KIND: STANDALONE_LLDB
+// LLDB_TRACE: canInspectClasses.txt
+fun main(args: Array<String>) {
+    val point = Point(1, 2)
+    val person = Person()
+    return
+}
+
+data class Point(val x: Int, val y: Int)
+class Person {
+    override fun toString() = "John Doe"
+}