n5110: add SECONDARY_STORAGE back
n5110: add SECONDARY_STORAGE back

Change-Id: Ic61fa1d0383f46cbd797ca0df9f845cad479521d

omnirom/android_device_samsung_n5110,TeamWin/android_device_samsung_n5110,omnirom/android_device_samsung_n5110,TeamWin/android_device_samsung_n5110