We need to wait for shaders to compile before starting a level sequence capture. POssible other scenarios where this may be needed are:

When levels are streamed in
When content is made visible for the first time while the sequence is playing

Steps to Reproduce

Change a global shader
Render out a level sequence without compiling those shaders

Result: Movie is rendered out with uncompiled shaders
Expected: Movie is rendered out with compiled shaders

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Affects Versions4.154.164.17
Target Fix4.19
CreatedJun 23, 2017
UpdatedSep 7, 2017