Roll Chromium Variations from e7764b765cd8 to c56983452a3a (13 revisions)

https://chromium.googlesource.com/chromium-variations.git/+log/e7764b765cd8..c56983452a3a

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

To file a bug in Chromium Variations: https://bugs.chromium.org/p/chromium/issues/entry
To file a bug in Chromium: https://bugs.chromium.org/p/chromium/issues/entry

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

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

Bug: None
Tbr: chrome-metrics-team@google.com
Change-Id: I8430f2178927ace32a3822f3d81879e22305222e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6020212
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1382682}

DEPS

@@ -348,7 +348,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling chromium_variations
   # and whatever else without interference from each other.
-  'chromium_variations_revision': 'e7764b765cd8d6a04b0d85b24061b260f90cf9ba',
+  'chromium_variations_revision': 'c56983452a3aae018f7aa7ea261fe321fb360d42',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling CrossBench
   # and whatever else without interference from each other.