Roll Skia from ab7ff17156a3 to 1a2e7de8eaf4 (3 revisions)

https://skia.googlesource.com/skia.git/+log/ab7ff17156a3..1a2e7de8eaf4

2021-07-30 robertphillips@google.com Update tests for a V1-only skgpu::v1::SurfaceDrawContext
2021-07-30 jcgregorio@google.com [switchboard] Move P30's over to switchboard based RPis.
2021-07-30 johnstiles@google.com Fix cloning of Runtime Blend fragment processors.

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/main/autoroll/README.md

Tbr: borenet@google.com
Change-Id: I3b175e6661020a993581dbb6b5a70e544afe50bf
Reviewed-on: https://skia-review.googlesource.com/c/skiabot-test/+/434899
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 d0068f2..db19633 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': 'ab7ff17156a3dc68ed630239a3a8594e09ad5610',
+  'skia_revision': '1a2e7de8eaf46c8cff112c2acf0093b8ef387762',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.