J2K: Get nullability from variable initializer when converting call

#KT-11534 In Progress

j2k/testData/fileOrElement/nullability/nullableInitializer3.java

@@ -0,0 +1,20 @@
+import org.jetbrains.annotations.Nullable;
+
+public class Test {
+    public String notNullString(int p) {
+        return "response";
+    }
+
+    private String notNullInitializerField = notNullString(3);
+    public String notNullInitializerPublicField = notNullString(3);
+
+    public void testProperty() {
+        notNullInitializerField.charAt(0);
+        notNullInitializerPublicField.charAt(0);
+    }
+
+    public void testLocalVariable() {
+        String notNullInitializerVal = notNullString(3);
+        notNullInitializerVal.charAt(0);
+    }
+}