Initialize this class, sharing resources with |sharedContext|. The custom |drawer| will be used for drawing frames on the EGLSurface. This class is responsible for calling release() on |drawer|. It is allowed to call init() to reinitialize the renderer after a previous init()/release() cycle. If use
(@Nullable final EglBase.Context sharedContext, final int[] configAttributes,
RendererCommon.GlDrawer drawer, boolean usePresentationTimeStamp)
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