Field WatchPoints: add ability to stop at initializer

idea/testData/debugger/tinyApp/src/stepping/custom/fwInitializer.kt

@@ -0,0 +1,27 @@
+package fwInitializer
+
+fun main(args: Array<String>) {
+    A()
+}
+
+fun foo(): Int {
+   return 1
+}
+
+//FieldWatchpoint! (topLevelProp)
+val topLevelProp = foo()
+
+class A {
+    companion object {
+        //FieldWatchpoint! (companionObjProp)
+        val companionObjProp = foo()
+    }
+
+    //FieldWatchpoint! (prop)
+    val prop = foo()
+}
+
+// RESUME: 2
+// WATCH_FIELD_INITIALISATION: true
+// WATCH_FIELD_MODIFICATION: false
+// WATCH_FIELD_ACCESS: false