roll: pigweed, pw_toolchain: pw_bluetooth_sapphire: Handle switch warning with pigweed

This switches over to using `pw_preproccesor` to annotate and disable
switch related warnings. This fixes non-clang builds

Original-Bug: b/355511476
Test: fx test //src/connectivity/bluetooth/core/bt-host

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1092098
GitOrigin-RevId: f77f68613f41262b499fe69e06b3846ea40f3c1f
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/227043
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>

https://pigweed.googlesource.com/pigweed/pigweed
pigweed, pw_toolchain Rolled-Commits: 9e1ed90cd304c1b..17a6be9e3c21fcb
Roller-URL: https://ci.chromium.org/b/8740231543794740321
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Idb25bc2c5c37587196a79b3d1b527dc15b094113
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/228274
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/WORKSPACE b/WORKSPACE
index bbfef18..b759608 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -84,8 +84,8 @@
     name = "pigweed",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-08-07.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8740231939733014209.
-    commit = "9e1ed90cd304c1bc2dee8789aad63e50a82f8309",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8740231543794740321.
+    commit = "17a6be9e3c21fcb7be1170c0abf40dfdb042e281",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed.git",
 )
 
@@ -93,8 +93,8 @@
     name = "pw_toolchain",
     # ROLL: Warning: this entry is automatically updated.
     # ROLL: Last updated 2024-08-07.
-    # ROLL: By https://cr-buildbucket.appspot.com/build/8740231939733014209.
-    commit = "9e1ed90cd304c1bc2dee8789aad63e50a82f8309",
+    # ROLL: By https://cr-buildbucket.appspot.com/build/8740231543794740321.
+    commit = "17a6be9e3c21fcb7be1170c0abf40dfdb042e281",
     remote = "https://pigweed.googlesource.com/pigweed/pigweed.git",
     strip_prefix = "pw_toolchain_bazel",
 )