Roll third_party/fp16/src/ b3720617f..3d2de1816 (5 commits)

https://chromium.googlesource.com/external/github.com/Maratyszcza/FP16.git/+log/b3720617faf1..3d2de1816307

Created with:
  roll-dep third_party/fp16/src

Change-Id: Id8aab75fcf899b4f57065566720763b06b761dbd
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/137492
Auto-Submit: Andy Phan <andyphan@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index 983b84f..5404a81 100644
--- a/DEPS
+++ b/DEPS
@@ -118,7 +118,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling fp16
   # and whatever else without interference from each other.
-  'fp16_revision': 'b3720617faf1a4581ed7e6787cc51722ec7751f0',
+  'fp16_revision': '3d2de1816307bac63c16a297e8c4dc501b4076df',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling freetype
   # and whatever else without interference from each other.