Roll third_party/depot_tools/ c9a747c5e..3b97fa826 (83 commits; 24 trivial rolls)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/c9a747c5ed64..3b97fa826eee

Created with:
  roll-dep third_party/depot_tools

Change-Id: Ia2ac4ac9c28da7596c7d4ec1ff399053ddab2ce8
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/92590
Reviewed-by: Nigi <nigi@chromium.org>
Commit-Queue: Alan Screen <awscreen@chromium.org>
diff --git a/DEPS b/DEPS
index dbe4f1e..0aaaf5c 100644
--- a/DEPS
+++ b/DEPS
@@ -65,7 +65,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling depot_tools
   # and whatever else without interference from each other.
-  'depot_tools_revision': 'c9a747c5ed646001df33e798c62bbac0d27c8d08',
+  'depot_tools_revision': '3b97fa826eee4bd1978c4c049038b1e4f201e8f2',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling freetype
   # and whatever else without interference from each other.