[roll] Roll third_party/pigweed 08c186f..b3717b1 (2 commits)

b3717b1:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/169121 pw_tokenizer: Simplify implementing a custom tokenization macro
0f264ed:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/164510 pw_random: Doxygenify xor_shift.h
GitOrigin-RevId: 2b35bf520f9b6feb8b7d40ab6381c3d9b8ffa247
Change-Id: Ic614d2a8ca87d0cf8f250df1b6580a8454c115b2
diff --git a/third_party/flower b/third_party/flower
index 0df683b..c6d34cf 100644
--- a/third_party/flower
+++ b/third_party/flower
@@ -450,7 +450,7 @@
              path="third_party/pigweed/src"
              remote="https://pigweed.googlesource.com/pigweed/pigweed"
              gerrithost="https://pigweed-review.googlesource.com"
-             revision="08c186f9cc8df88a8ed68827a61839e79bd1fba4"/>
+             revision="b3717b13619c28f5173cba6e62b8d698a53e30be"/>
     <project name="third_party/github.com/google/python_portpicker"
              gitsubmoduleof="fuchsia"
              path="third_party/python_portpicker/src"