Roll third_party/skia/ 34a40032f..af6d6eb38 (260 commits; 29 trivial rolls)

https://skia.googlesource.com/skia.git/+log/34a40032ff0a..af6d6eb383a6

Created with:
  roll-dep third_party/skia

Change-Id: I4edd523c67b51c597194f55a9ba8e5cfb7bfacd7
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/134670
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Auto-Submit: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index 4be5aa4..6bdc339 100644
--- a/DEPS
+++ b/DEPS
@@ -216,7 +216,7 @@
   # 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': '34a40032ff0a8301a952ab5ba3fbe28c294f5f7a',
+  'skia_revision': 'af6d6eb383a6c8610d54bd3b0d8f69abf1020e34',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling test_fonts
   # and whatever else without interference from each other.