Reland "Disable GLPrograms test on Mac 10.1 bot"

This reverts commit ae35aff.

Reason for revert: Looks like try bot got lucky. Bots still getting stuck in GLPrograms.

Original change's description:
> Revert "Disable GLPrograms test on Mac 10.1 bot"
> 
> This reverts commit 2a7c6d5.
> 
> Bug: skia:9235
> Change-Id: Id6dc51c3254fac69665c525e73798f97a3099a17
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/225539
> Reviewed-by: Jim Van Verth <[email protected]>
> Commit-Queue: Brian Salomon <[email protected]>

[email protected],[email protected]

Change-Id: I4a7e1b35dc278d5d1c0249cd68101575fd1cf189
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:9235
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/225726
Reviewed-by: Brian Salomon <[email protected]>
Commit-Queue: Brian Salomon <[email protected]>

Author: bsalomon