Roll third_party/abseil-cpp/ 221ee3ed3..2705c6655 (2 commits)

https://chromium.googlesource.com/chromium/src/third_party/abseil-cpp.git/+log/221ee3ed3b03..2705c6655c00

Created with:
  roll-dep third_party/abseil-cpp

Change-Id: I9f24e73b1aab863329c20a51c794b1193f489eda
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/129370
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Thomas Sepez <tsepez@google.com>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index 6fe2a4d..da2a549 100644
--- a/DEPS
+++ b/DEPS
@@ -70,7 +70,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling abseil
   # and whatever else without interference from each other.
-  'abseil_revision': '221ee3ed3b032d5a82736613440664f9fbe4d3db',
+  'abseil_revision': '2705c6655c0008cc3fb152dae27890d44bc335f1',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling android_toolchain
   # and whatever else without interference from each other.