Steps to reproduce:
1) Download attached project 'New Unity Project.zip'
2) Switch platform to android
3) In Project Tab, open 'Project' folder and duplicate 4-5 times all textures(Ctr+D)
4) Build and run project on a device
Note: Splash screen logo freezes for ~1sec on 15% transparent

Expected result: Logo should not freeze while loading this app
Actual result: Logo freezes for ~ 1 sec (see attached video and Image)

Reproduced with:
5.5.0b3, 5.5.0b7, 5.5.0b8