[5790_90] Use latest revision in m115 of Skia

This is meant to pick
https://skia.googlesource.com/skia.git/+/e68cd70add190f86f82964e7e1b93edf20c2dbb2 into 5790_90 minibranch.

Bug: chromium:1466359
Change-Id: I402ee2249c38911983d24a8bc67fdf0a1c62e0b3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4713805
Reviewed-by: Prudhvikumar Bommana <pbommana@google.com>
Commit-Queue: Prudhvikumar Bommana <pbommana@google.com>
Cr-Commit-Position: refs/branch-heads/5790_90@{#19}
Cr-Branched-From: 86fb9d0-refs/branch-heads/5790@{#1583}
Cr-Branched-From: 1d71a33-refs/heads/main@{#1148114}

DEPS

@@ -308,7 +308,7 @@ vars = {
   # 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': '3e827bac0cc99f8cb552079a4bc8c2a79ac2460b',
+  'skia_revision': 'e68cd70add190f86f82964e7e1b93edf20c2dbb2',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.