roll: third_party/pigweed pw_bluetooth_sapphire: Use shared variable for fuchsia_api_level

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/237914
Original-Revision: a78ddd06be398fd4cd0289dd6b514c9325e513bc

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: d5e8fffc6b3e0e..a78ddd06be398f
Roller-URL: https://ci.chromium.org/b/8735794478630780417
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I39da06a8cf83238cce07a56805aa70442e73dfb2
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/237899
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.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 d5e8fff..a78ddd0 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit d5e8fffc6b3e0e20ec26bed082ad0691855adafd
+Subproject commit a78ddd06be398fd4cd0289dd6b514c9325e513bc