Tests: fix paths of Java sources in codegen tests

To help them run on the old infrastructure, which light analysis tests
are still using.

compiler/testData/codegen/box/invokedynamic/sam/kt51282.kt

@@ -3,7 +3,7 @@
 // JVM_TARGET: 1.8
 // WITH_STDLIB
 
-// FILE: Foo.java
+// FILE: org/example/foo/Foo.java
 package org.example.foo;
 public interface Foo {
     String foo(String s);

compiler/testData/codegen/box/invokedynamic/sam/kt512832_inherit_multifile_parts.kt

@@ -4,7 +4,7 @@
 // JVM_TARGET: 1.8
 // WITH_STDLIB
 
-// FILE: Foo.java
+// FILE: org/example/foo/Foo.java
 package org.example.foo;
 public interface Foo {
     String foo(String s);

compiler/testData/codegen/box/javaFieldAndKotlinProperty/javaFieldAndKotlinPropertyReferenceFromInner.kt

@@ -1,5 +1,5 @@
 // TARGET_BACKEND: JVM_IR
-// FILE: Jaba.java
+// FILE: base/Jaba.java
 
 package base;
 

compiler/testData/codegen/box/javaFieldAndKotlinProperty/javaInvisibleFieldAndKotlinPropertyReference.kt

@@ -1,7 +1,6 @@
 // TARGET_BACKEND: JVM_IR
 // Field VS property: case "reference", field is invisible
-
+// FILE: base/BaseJava.java
-// FILE: BaseJava.java
 
 package base;
 

compiler/testData/codegen/box/javaFieldAndKotlinProperty/javaProtectedFieldAnotherPackageReference.kt

@@ -1,6 +1,5 @@
 // TARGET_BACKEND: JVM_IR
-
+// FILE: base/BaseJava.java
-// FILE: BaseJava.java
 
 package base;
 

compiler/testData/codegen/box/javaVisibility/package/cannotAccessInterfaceMemberViaReceiver.kt

@@ -1,6 +1,6 @@
 // TARGET_BACKEND: JVM_IR
 // DUMP_IR
-// FILE: javapackage/PackagePrivateGrandparentAbstractClass.java
+// FILE: javapackage/PackagePrivateGrandparentInterface.java
 
 package javapackage;