Roll DEPS for abseil and clang

Roll third_party/abseil-cpp/ 2c1ad970d..30d4d2184 (5 commits)

https://chromium.googlesource.com/chromium/src/third_party/abseil-cpp.git/+log/2c1ad970da6b..30d4d2184638

Created with:
  roll-dep third_party/abseil-cpp

Roll tools/clang/ 277a3849e..92d8405e4 (39 commits)

https://chromium.googlesource.com/chromium/src/tools/clang/+log/277a3849ebe4..92d8405e46d0

Roll clang+rust llvmorg-19-init-8091-gab037c4f-26 : llvmorg-19-init-10646-g084e2b53-1

Created with:
  roll-dep tools/clang

Change-Id: I2fafa2732973dedb5d4d47ed36efdba26d7c54d3
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/120050
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Thomas Sepez <tsepez@google.com>
diff --git a/DEPS b/DEPS
index 24c7af0..6458192 100644
--- a/DEPS
+++ b/DEPS
@@ -64,7 +64,7 @@
   # 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': '2c1ad970da6bd5837bcee6671da262eac0bd5397',
+  'abseil_revision': '30d4d2184638dcc328b79723355c65140cf06e4b',
   # 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.
@@ -88,7 +88,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling clang
   # and whatever else without interference from each other.
-  'clang_revision': '277a3849ebe4f41beb773614cc4bad839870cfcf',
+  'clang_revision': '92d8405e46d00cb7a4e61cc57844a57b94825505',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling code_coverage
   # and whatever else without interference from each other.