Add skia_use_egl flag

This allows us to specify it for Linux Arm devices (like chromebooks, and
possibly RPIs)
Bug: skia:6442

Change-Id: I043bc3b3686caf28fedfe1a6ab1dfd300cc4f066
Reviewed-on: https://skia-review.googlesource.com/10469
Reviewed-by: Mike Klein <mtklein@chromium.org>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Kevin Lubick <kjlubick@google.com>
1 file changed