Rename GrGLUniformManager to GrGLProgramDataManager

Rename GrGLUniformManager to GrGLProgramDataManager in anticipation that the
class would be used to manage shader resources that are not uniforms.

This is needed in order to implement NVPR on GLES.

R=bsalomon@google.com

Author: kkinnunen@nvidia.com

Review URL: https://codereview.chromium.org/365853002
42 files changed