[roll third_party/pigweed] pw_bluetooth_proxy: Add ProxyHost::HasSendAclCapability()

Also add AclDataChannel::GetLeAclCreditsToReserve().

Original-Bug: 344030724
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/214101
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https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 21bcbe67b4552d1..7ddafaf90088efa
Roller-URL: https://ci.chromium.org/b/8745913876884507265
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I8d455f5dd9742e97415494aa314f0787ff503255
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/214196
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 21bcbe6..7ddafaf 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 21bcbe67b4552d1699951ba977790824f2c28d57
+Subproject commit 7ddafaf90088efac4c1bc6a56f92f9faa85fdc84