EmuGL: enable SurfaceTexture async mode

Pass the swap interval from eglSwapInterval to the native window so it
can enable/disable SurfaceTexture's async mode. Fixes the deadlock in
SurfaceTextureGLToGLTest.EglDestroySurfaceUnrefsBuffers.

Change-Id: I19bf69247341f5617223722df63d6c7f8cf389c6
1 file changed