To reproduce:

1. Download and open "LightCookie.zip" project.
2. Build and run on a device.
3. Observe how lighting flickers.

Expected result: Light being stable.
Actual result: Light flickers and flickering increases over distance from world origin.

Reproduced with: 2017.1.0b5, 5.6.1f1, 5.5.3p2

DUT:

Reproduced with:
Samsung GT I8190, OS:4.1.2, CPU:armeabi-v7a, GPU:Mali-400 MP,
Build:samsung/goldenxx/golden:4.1.2/JZO54K/I8190XXAMG4:user/release-keys

Samsung SM G800F (Galaxy S5 Mini), OS:5.1.1, CPU:armeabi-v7a, GPU:Mali-400 MP, Build:samsung/kminiltexx/kminilte:5.1.1/LMY47X/G800FXXU1BPC4:user/release-keys

Not reproduced with:
Samsung SM G903F, OS:6.0.1, CPU:armeabi-v7a, GPU:Mali-T720,
Build:samsung/s5neoltexx/s5neolte:6.0.1/MMB29K/G903FXXU1BQC1: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

Notes: Devices with which the issue was reproduced support only GLES 2 Gpahics API. Could not test on earlier versions because of compatibility issues.

Verified with: 2018.1.0a3