Roll third_party/zlib/ 2aafd9d33..e080c76be (3 commits)

https://chromium.googlesource.com/chromium/src/third_party/zlib.git/+log/2aafd9d335e4..e080c76be8c1

Created with:
  roll-dep third_party/zlib

TBR=tsepez@chromium.org

Change-Id: I7cc45257bc5defa82ccc061cccaa10e9da3c0170
Reviewed-on: https://pdfium-review.googlesource.com/c/48551
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index 477a3ce..82c3e76 100644
--- a/DEPS
+++ b/DEPS
@@ -34,7 +34,7 @@
   'trace_event_revision': '211b3ed9d0481b4caddbee1322321b86a483ca1f',
   'v8_revision': 'ec2203e1fce49480868df0f85b395963be461d13',
   'yasm_source_revision': '720b70524a4424b15fc57e82263568c8ba0496ad',
-  'zlib_revision': '2aafd9d335e4fd6fa0c74892252280a1bb51ce6f',
+  'zlib_revision': 'e080c76be8c127cd977e49d64246fd98e67b35e6',
 }
 
 deps = {