Analysis: add LC testdata with current behaviour

compiler/testData/asJava/ultraLightFacades/multifileFacade.fir.java

@@ -0,0 +1,14 @@
+@<error>()
+@<error>()
+public final class multifileFacade /* multifileFacade*/ {
+  private static final int x;
+
+  public static final int x1 = 42 /* initializer type: int */;
+
+  private static final int privateFoo();//  privateFoo()
+
+  public static final int foo();//  foo()
+
+  public static final int getX();//  getX()
+
+}