[third_party/pigweed] Roll 3 commits

63e6774b2b84f81 pw_bluetooth: Add header alias in command complete
58a80c6548797d2 pw_bluetooth_proxy: Rename ProcessH4* to HandleH4*
e0a6e32b38b20eb pw_bluetooth_proxy: Rename passthrough_test.cc to

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: ac1d46f720ff626..63e6774b2b84f81
Roller-URL: https://ci.chromium.org/b/8749119060119190081
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ic4901f6f2b13a49a10bd0dc358f76af432c5d38e
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/207638
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 ac1d46f..63e6774 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit ac1d46f720ff6262373eeb5b6f19cfb32a6d078f
+Subproject commit 63e6774b2b84f81e297f3d62e3788fc8ed5c62a1