Add GrProgramInfo to centralize management of program information

This is the first step in moving the marshaling of program information earlier in renderTask processing (i.e., to onPrePrepare).

Change-Id: I91e3baed9a128e845bd32f9dbbacd9b21d852a3d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/244118
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
56 files changed