How to reproduce:
1. Open attached project
2. Build to device
3. Click "Play video" button in the center of the screen
-- Notice that after the video is finished black screen is displayed

Expected behaviour: Device returns to previous state and the "Play video" button is seen again

Reproduced on: 2018.1.0a4, 2018.1.0b1, 2018.2.0a1
Not reproduced on: 2017.2.1p1, 2017.3.0p1, 2018.1.0a3

Devices under testing:
Reproduced on:
Razer Phone*, OS:7.1.1, CPU:arm64-v8a, GPU:Adreno (TM) 540, Build:razer/cheryl/cheryl_ckh:7.1.1/NMF26X-CKH-171108/853:user/release-keys
Samsung SM G930F*, OS:7.0, CPU:arm64-v8a, GPU:Mali-T880, Build:samsung/heroltexx/herolte:7.0/NRD90M/G930FXXU1DQJ3:user/release-keys
Samsung SM N950U1*, OS:7.1.1, CPU:arm64-v8a, GPU:Adreno (TM) 540, Build:samsung/greatqlteue/greatqlteue:7.1.1/NMF26X/N950U1UEU2BQK1:user/release-keys

Fixed in: 2018.1.0b6, 2018.2.0a1