Implement 'Skip simple getters' for debugger

idea/testData/debugger/tinyApp/src/evaluate/singleBreakpoint/onGetter.kt

@@ -0,0 +1,12 @@
+package onGetter
+
+fun main(args: Array<String>) {
+    val a = A(1)
+    // EXPRESSION: prop
+    // RESULT: 1: I
+    // STEP_INTO: 1
+    //Breakpoint!
+    a.prop
+}
+
+class A(val prop: Int)

idea/testData/debugger/tinyApp/src/stepping/stepInto/skipSimpleGetter.kt

@@ -0,0 +1,25 @@
+package skipSimpleGetter
+
+fun main(args: Array<String>) {
+    val a = A(1)
+    //Breakpoint!
+    a.a1 + a.a2 + a.a3 + a.a4
+}
+
+class A(val a4: Int) {
+    // only init
+    val a1 = 1
+
+    // simple get, expression body
+    val a2: Int = 1
+        get() = field
+
+    // simple get, block body
+    val a3: Int = 1
+        get() {
+            return field
+        }
+}
+
+// STEP_INTO: 21
+// SKIP_GETTERS: true