IC tests: add infrastructure for K1/K2 lookups comparison

Adapt lookup tests to allow running K1 and K2 on the same testdata
and compare the lookups recorded.

jps/jps-plugin/testData/incremental/lookupTracker/jvm/conventions/declarations.K1.kt

@@ -0,0 +1,35 @@
+package foo.bar
+
+/*p:foo.bar*/class A {
+    operator fun plus(a: /*p:foo.bar p:foo.bar.A*/Int) = /*p:foo.bar(A)*/this
+    operator fun timesAssign(a: /*p:foo.bar p:foo.bar.A*/Any?) {}
+    operator fun inc(): /*p:foo.bar p:foo.bar.A*/A = /*p:foo.bar(A)*/this
+
+    operator fun get(i: /*p:foo.bar p:foo.bar.A*/Int) = 1
+    operator fun contains(a: /*p:foo.bar p:foo.bar.A*/Int): /*p:foo.bar p:foo.bar.A*/Boolean = false
+    operator fun invoke() {}
+
+    operator fun compareTo(a: /*p:foo.bar p:foo.bar.A*/Int) = 0
+
+    operator fun component1() = /*p:foo.bar(A)*/this
+
+    operator fun iterator() = /*p:foo.bar(A)*/this
+    operator fun next() = /*p:foo.bar(A)*/this
+}
+
+/*p:foo.bar*/operator fun /*p:foo.bar*/A.minus(a: /*p:foo.bar*/Int) = /*p:foo.bar(A)*/this
+/*p:foo.bar*/operator fun /*p:foo.bar*/A.divAssign(a: /*p:foo.bar*/Any?) {}
+/*p:foo.bar*/operator fun /*p:foo.bar*/A.dec(): /*p:foo.bar*/A = /*p:foo.bar(A)*/this
+
+/*p:foo.bar*/operator fun /*p:foo.bar*/A.not() {}
+
+/*p:foo.bar*/operator fun /*p:foo.bar*/A.set(i: /*p:foo.bar*/Int, v: /*p:foo.bar*/Int) {}
+/*p:foo.bar*/operator fun /*p:foo.bar*/A.contains(a: /*p:foo.bar*/Any): /*p:foo.bar*/Boolean = true
+/*p:foo.bar*/operator fun /*p:foo.bar*/A.invoke(i: /*p:foo.bar*/Int) {}
+
+/*p:foo.bar*/operator fun /*p:foo.bar*/A.compareTo(a: /*p:foo.bar*/Any) = 0
+
+/*p:foo.bar*/operator fun /*p:foo.bar*/A.component2() = /*p:foo.bar(A)*/this
+
+/*p:foo.bar*/operator fun /*p:foo.bar*/A?.iterator() = /*p:foo.bar(A)*/this!!
+/*p:foo.bar*/operator fun /*p:foo.bar*/A.hasNext(): /*p:foo.bar*/Boolean = false