roll: pigweed 4abbd58..b2213f1 (7 commits)

b2213f1:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/320939 pw_async2: Retain HardwareInit call in step 1 solution
718d96c:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/320416 pw_ide: Release v1.9.9
6417ba1:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/320920 pw_async2: Namespace Poll & Pending in codelab
33c4e15:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/320917 pw_build: Require experimental_platform_in_output_dir
c5c6cb4:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/320871 Revert "pw_ide: Do not emit arguments for headers"
32cbe49:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/320828 pw_async2: Remove waker guards
72ba76d:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/319914 pw_kernel: Optimize syscall arg lookup

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 4abbd58707eb7e..b2213f18bb564f
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8704252336711762145
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ic04503c47e8c56f9d5a7dd6f6c8e0dc0f313cdf3
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/showcase/sense/+/320940
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
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Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>