'GoogleMobileAds/GoogleMobileAdsDefines.h' file not found

Question

I was building my project(objc-swift both using, deployment Target 8.1, Xcode7 beta6) and it includes Google Admob.

Like above, it fails with those errors.

I imported the GoogleMobileAds into my swift file.

import UIKit
import GoogleMobileAds

This is linked frameworks and libraries in my project

I did(or checked)

• clean(command shift k)
• clear Derived Data folder
• reboot both pc and iphone.

Any Idea? ㅜㅜ