Roll ios_internal from f561745958bd to c81e6f401ae9

https://chrome-internal.googlesource.com/chrome/ios_internal.git/+log/f561745958bd..c81e6f401ae9

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://skia-autoroll.corp.goog/r/ios-internal-chromium-autoroll
Please CC chrome-brapp-engprod@google.com,jlebel@google.com,myuu@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

Bug: None
Change-Id: Iee9e7ea2bb76188b29d7fd56fc5aa950b2dea1ed
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4798672
Bot-Commit: chromium-internal-autoroll <chromium-internal-autoroll@skia-corp.google.com.iam.gserviceaccount.com>
Commit-Queue: chromium-internal-autoroll <chromium-internal-autoroll@skia-corp.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1185905}
diff --git a/DEPS b/DEPS
index 11fe3084..d080c30 100644
--- a/DEPS
+++ b/DEPS
@@ -4234,7 +4234,7 @@
 
   'src/ios_internal':  {
       'url': Var('chrome_git') + '/chrome/ios_internal.git' + '@' +
-        'f561745958bd66b26eca4207503d95b5f7e85609',
+        'c81e6f401ae924a79e49138d9d3740f41d53c4e1',
       'condition': 'checkout_ios and checkout_src_internal',
   },