Update AndroidManifest.xml

Added the icon quiz activity to the manifest

app/src/main/AndroidManifest.xml

@@ -20,6 +20,12 @@
         android:allowBackup="true"
         android:icon="@drawable/ic_launcher"
         android:label="@string/app_name">
+        
+        <activity
+            android:name=".activities.IconQuizActivity"
+            android:windowSoftInputMode="stateHidden"
+            android:label="Icon Usage Quiz" >
+        </activity>
         <activity
             android:name=".activities.DashboardActivity"
             android:windowSoftInputMode="stateHidden"