roll: third_party/pigweed fd6d1e6..781c125 (19 commits)

781c125:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/247053 pw_bluetooth_proxy: Fix connection cleanup logic on ACL disconnect
fb5a738:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/247812 pw_bluetooth_proxy: Fix Android.bp
932b260:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/247632 pw_bluetooth_proxy: Add check for max connections
be57717:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/246873 pw_i2c: Remove parameter from WriteFor reference
18d5fbf:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/247194 pw_rpc_transport: Track number of RPC packets received
d0532a7:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/245112 docs: Migrate docs toolchain from GCC to Clang
c6028ac:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/247613 pw_bluetooth: Remove unused MakeEmboss
d60a7ce:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/247612 pw_bluetooth_proxy: Migrate tests off of unchecked MakeEmboss helper
5acfafd:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/247592 pw_bluetooth_proxy: Use error checking MakeEmboss* helpers
b572584:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/247793 pw_bluetooth: Add emboss_util rule to Android.bp
facd24c:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/247433 pw_build: Add CMake target for must_place linker utility
52aa0a9:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/247515 pw_bluetooth: Provide generic validating emboss View/Writer creators
b35502c:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/247455 pw_preprocessor: Remove extra semicolon in test
99dfc64:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/247713 pw_bluetooth_sapphire: Remove remaining HCI packed structs
17f8803:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/247532 pw_bluetooth: Add variants of MakeEmboss* util that return a Result
5f9d087:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/247712 pw_bluetooth: Add uint versions of command opcode fields
5740ed0:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/247772 docs: Fix shortlinks
b2288d8:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/247633 Revert "pw_bluetooth_proxy: Use std::lock_guard"
d197999:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/247454 docs: Update shortlinks

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: fd6d1e67bf39b9..781c125d39ba95
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8731847680408580593
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ic5c84a85d28dc441d0add94d478d5ef987129dca
Reviewed-on: https://pigweed-review.googlesource.com/c/gonk/+/247707
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
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 fd6d1e6..781c125 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit fd6d1e67bf39b950e45974e7997302ba9b07dca9
+Subproject commit 781c125d39ba9559e560d11bc5fb078434e03c95