Update ALVRActivityTest.kt

Author: ShootingKing-AM

code/mobile/android/PhoneVR/app/src/androidTest/java/viritualisres/phonevr/ALVRActivityTest.kt

@@ -6,7 +6,6 @@ import android.util.Log
 import androidx.test.core.app.takeScreenshot
 import androidx.test.core.graphics.writeToTestStorage
 import androidx.test.espresso.Espresso.onView
-import androidx.test.espresso.NoMatchingViewException
 import androidx.test.espresso.action.ViewActions.click
 import androidx.test.espresso.action.ViewActions.pressBack
 import androidx.test.espresso.matcher.ViewMatchers.isRoot