Roll base/allocator/partition_allocator/ f9a7b0a0e..9e9b9fe53 (16 commits)

https://chromium.googlesource.com/chromium/src/base/allocator/partition_allocator.git/+log/f9a7b0a0e152..9e9b9fe53bdc

Created with:
  roll-dep base/allocator/partition_allocator

Change-Id: Id38d941324564b195bf9983015ab7e9f0b545527
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/110091
Commit-Queue: Lei Zhang <thestig@chromium.org>
Auto-Submit: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index 34d9841..e9eaf3b 100644
--- a/DEPS
+++ b/DEPS
@@ -156,7 +156,7 @@
   # 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': 'f9a7b0a0e152559b9097c61a621b5bbdf2577c7b',
+  'partition_allocator_revision': '9e9b9fe53bdcdebca5472e2cc143b2eb933e7aa2',
   # 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.