Fixing bug where TeapotNativeActivity leaks window.

"onPause" TeapotNativeActivity leaked its popup window that was added to the inflated LinearLayout.  This was fixed by overriding the onPause method of the Activity and dismissing the PopupWindow.

Change-Id: I9dd1c0c3bc55e49407b893c6c27693b7db33ccd5
1 file changed