Report JVM signature clashes from JVM_IR

Also:

* Do not rename public ABI fields
This includes backing fields for const, lateinit, @JvmField properties,
and instance fields for objects.

* FAKE_OVERRIDE declarations for static members of parent Java classes
Required to report cases when a Kotlin function accidentally overrides
Java class member.

compiler/testData/ir/irText/classes/fakeOverridesForJavaStaticMembers.kt

@@ -0,0 +1,14 @@
+// FILE: fakeOverridesForJavaStaticMembers.kt
+import a.Base
+
+class Test : Base()
+
+// FILE: a/Base.java
+package a
+
+public class Base {
+    public static void publicStaticMethod() {}
+    protected static void protectedStaticMethod() {}
+    static void packagePrivateStaticMethod() {}
+    private static void privateStaticMethod() {}
+}