[pigweed] Roll 2 commits

e7c65dc0bb83692 pw_{snapshot,thread}: Add Python BUILD files
a5cef38a5904cfc pw_{log,tokenizer}: Add some py_proto_libraries

https://pigweed.googlesource.com/pigweed/pigweed
pigweed Rolled-Commits: 940a29382017e8c..e7c65dc0bb83692
Roller-URL: https://ci.chromium.org/b/8806181539562183713
Cq-Cl-Tag: roller-builder:pigweed-zephyr-roller
Cq-Cl-Tag: roller-bid:8806181539562183713
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I0efc024ba8da9bd1d69c73db385760e73a7e4126
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/zephyr-integration/+/105748
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Bot-Commit: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/pigweed b/pigweed
index 940a293..e7c65dc 160000
--- a/pigweed
+++ b/pigweed
@@ -1 +1 @@
-Subproject commit 940a29382017e8caefae62f18ef29fb7f968ca68
+Subproject commit e7c65dc0bb8369293a3bf7ecd142145ed49564a9