KT-2752: fix JsName with explicit use target. Add some tests for JsName with use targets

js/js.translator/testData/box/propertyAccess/staticAccessorsWithJsName.kt

@@ -0,0 +1,30 @@
+package foo
+
+val x: Int
+    @JsName("getX_") get() = 23
+
+var y: Int = 0
+    @JsName("getY_") get() = field + 10
+    @JsName("setY_") set(value) {
+        field = value
+    }
+
+
+fun getPackage() = js("return Kotlin.modules.JS_TESTS.foo")
+
+fun box(): String {
+    assertEquals(23, x)
+    assertEquals(10, y)
+    y = 13
+    assertEquals(23, y)
+
+    y = 0
+    val d = getPackage()
+
+    assertEquals(23, d.getX_())
+    assertEquals(10, d.getY_())
+    d.setY_(13)
+    assertEquals(23, d.getY_())
+
+    return "OK"
+}