Roll Skia from bb43b7e85e8e to fa8d6915cbbf (1 revision)

https://skia.googlesource.com/skia.git/+log/bb43b7e85e8e..fa8d6915cbbf

2020-12-04 jvanverth@google.com Remove Metal Perf bots running on MacOS 10.13.

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-skiabot-test-autoroll
Please CC borenet@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Tbr: borenet@google.com
Change-Id: Id9138fcace518a64fc8b33c62b2c2c15099fa3f2
Reviewed-on: https://skia-review.googlesource.com/c/skiabot-test/+/340964
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index df5a4c7..a6bc2cb 100644
--- a/DEPS
+++ b/DEPS
@@ -3,7 +3,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.
-  'skia_revision': 'bb43b7e85e8ea59362e3873a2b8bedfd2b2f9479',
+  'skia_revision': 'fa8d6915cbbf8cc7f6bc11c2c6bb7eaa36c2b5df',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.