K2: fix/universalize logic to determine that member is from Java

compiler/fir/analysis-tests/testData/resolveWithStdlib/problems/isAncestor.fir.txt

@@ -0,0 +1,11 @@
+FILE: test.kt
+    public final fun foo(): R|kotlin/Unit| {
+        lval externalsMap: R|kotlin/collections/MutableMap<java/io/File, kotlin/String?>| = R|kotlin/collections/mutableMapOf|<R|java/io/File|, R|kotlin/String?|>()
+        local final fun test(file: R|java/io/File|): R|kotlin/Unit| {
+            lval base: R|java/io/File!| = R|your/ContainerUtil.find|<R|java/io/File!|>(R|<local>/externalsMap|.R|SubstitutionOverride<kotlin/collections/MutableMap.keys: R|kotlin/collections/MutableSet<java/io/File>|>|, <L> = find@fun <anonymous>(it: R|java/io/File!|): R|kotlin/Boolean| <inline=NoInline>  {
+                ^ R|my/FileUtil.isAncestor|(R|<local>/it|, R|<local>/file|, Boolean(false))
+            }
+            )
+        }
+
+    }

compiler/fir/analysis-tests/testData/resolveWithStdlib/problems/isAncestor.kt

@@ -0,0 +1,53 @@
+// FILE: their/Condition.java
+
+package their;
+
+public interface Condition<T> {
+    boolean value (T t);
+}
+
+// FILE: your/ContainerUtil.java
+
+package your;
+
+import their.Condition;
+
+public final class ContainerUtil {
+    public static <T> T find(Iterable<? extends T> iterable, Condition<? super T> condition) {
+        return true;
+    }
+
+    public static <T> T find(Iterable<? extends T> iterable, T equalTo) {
+        return true;
+    }
+}
+
+// FILE: my/FileUtil.java
+
+package my;
+
+import java.io.File;
+
+public final class FileUtil {
+    public static boolean isAncestor(File ancestor, File file, boolean strict) {
+        return true;
+    }
+
+    public static boolean isAncestor(String ancestor, String file, boolean strict) {
+        return true;
+    }
+
+}
+
+// FILE: test.kt
+
+import java.io.File
+import my.FileUtil.*
+import your.ContainerUtil.find
+
+fun foo() {
+    val externalsMap = mutableMapOf<File, String?>()
+    fun test(file: File) {
+        val base = find(externalsMap.keys) { isAncestor(it, file, false) }
+    }
+}