Roll base/allocator/partition_allocator/ bd0c0ab0f..c551156ef (4 commits)

https://chromium.googlesource.com/chromium/src/base/allocator/partition_allocator.git/+log/bd0c0ab0f94f..c551156ef8cc

Created with:
  roll-dep base/allocator/partition_allocator

Change-Id: I4a5a7c75aec12192b064f688ce0b932b7e5ded6a
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/126970
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Thomas Sepez <tsepez@google.com>
diff --git a/DEPS b/DEPS
index 410c278..4d46f6e 100644
--- a/DEPS
+++ b/DEPS
@@ -184,7 +184,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling partition_allocator
   # and whatever else without interference from each other.
-  'partition_allocator_revision': 'bd0c0ab0f94f8b9c21e4e9207f66a4832477e96e',
+  'partition_allocator_revision': 'c551156ef8ccc090e52941d58c22647326066ff3',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling pdfium_tests
   # and whatever else without interference from each other.