Add connect calls for SurfaceTexture. Clean PreviewRenderer.

Now connect() is necessary for SurfaceTexture.
Also cleaned unused code in PreviewRenderer.

Change-Id: Ic49df01e79f38a48a8c2cf194d13ee575660c834
4 files changed
tree: 59ff1b5558c1f993f1249571e40f793c5b056d80
  1. libvideoeditor/