[third_party/pigweed] Roll 2 commits

e01ca5820679aeb pw_containers: Omit size on FlatMap construction
36a94a20ffbaf42 pw_snapshot: Add python processor tests

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: e7fc5d241ad4508..e01ca5820679aeb
Roller-URL: https://ci.chromium.org/b/8749788254491530913
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I2bda004c21fd22532ea193e732f9e11442c27414
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/205973
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index e7fc5d2..e01ca58 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit e7fc5d241ad450847df539ba6fbbb590b82cca33
+Subproject commit e01ca5820679aebb2bd99fd7d9490d9cf38048db