K2 IC: add lookups of candidates on tower level processing

Allow recording lookup to symbols from supertypes, required at least
for CRI.

partially fixes #KTIJ-29026

jps/jps-plugin/testData/incremental/lookupTracker/jvm/javaStatics/instanceUsage1.kt

@@ -0,0 +1,5 @@
+import Main.Other.*
+
+/*p:<root>*/fun bar() {
+    /*p:<root> p:Main(invoke) p:Main.Other*/INSTANCE()
+}