egl: fix GetProcAddress for EGLimage extensions

Return wrappers from GetProcAddress for glEGLImageTargetTexture2DOES
and glEGLImageTargetRenderbufferStorageOES which unwrap the EGLimage
handle before calling through to the implementation.

Change-Id: I2f5b180ab3ccdb28a4f510a2bd8c2eee941a84df
1 file changed