Replace deprecated GetAdapters() API.

EnumerateAdapters() with default options seems to do about the
same thing.

Change-Id: I199dcdd1621f119b11a1e002a809d123459ccc67
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/744258
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
2 files changed