To reproduce:

1. Download and open attached "MovieTest.zip" project.
2. Build and run on a device.
3. Click on the screen to end video or wait for it to end.

Expected result: Video ends playing and smoothly transitions to application.
Actual result: Video ends with screen flashing (white flash) and transitions to application.

Reproduced with: 2017.2.0a2. 2017.1.0b8, 5.6.1p3, 5.6.0b3
Not reproduced with: 5.6.0b2, 5.5.4f1, 5.4.5p3
Regression introduced in: 5.6.0b3

Notes: Did not reproduce on iPhone SE iOS 9.3.

Devices under test:

Verizon SM G930V (Galaxy S7 Verizon), OS:6.0.1, CPU:arm64-v8a, GPU:Adreno (TM) 530, Build:Verizon/heroqltevzw/heroqltevzw:6.0.1/MMB29M/G930VVRU2APG3:user/release-keys

Samsung SM G950F, OS:7.0, CPU:arm64-v8a, GPU:Mali-G71,
Build:samsung/dreamltexx/dreamlte:7.0/NRD90M/G950FXXU1AQDG:user/release-keys

Sony D6603 (Xperia Z3)*, OS:6.0.1, CPU:armeabi-v7a, GPU:Adreno (TM) 330,
Build:Sony/D6603/D6603:5.1.1/23.4.A.1.264/2418263178:user/release-keys

Verified with : 2017.2.0b2