JVM_IR KT-43109 generate internal bridge for custom internal 'toArray'

Also add some tests for internal collection stubs.

compiler/testData/codegen/box/collections/internalRemoveFromJava.kt

@@ -0,0 +1,34 @@
+// TARGET_BACKEND: JVM
+
+// IGNORE_BACKEND: JVM
+// ^ KT-43334 AbstractMethodError when calling 'remove' from Java on a Kotlin Collection with custom internal 'remove'
+//   fixed in JVM_IR
+
+// FILE: internalRemoveFromJava.kt
+
+class Test<T> : Collection<T> {
+    override val size: Int get() = TODO()
+    override fun contains(element: T): Boolean = TODO()
+    override fun containsAll(elements: Collection<T>): Boolean = TODO()
+    override fun isEmpty(): Boolean = TODO()
+    override fun iterator(): Iterator<T> = TODO()
+
+    internal fun remove(x: T): Boolean = false
+}
+
+fun box(): String {
+    val t = Test<String>()
+    return if (J.testRemove(t, "") == false)
+        "OK"
+    else
+        "Fail"
+}
+
+// FILE: J.java
+import java.util.Collection;
+
+public class J {
+    public static <T> boolean testRemove(Collection<T> c, T x) {
+        return c.remove(x);
+    }
+}