[roll] Roll llvm-project/libc Revert "[libc] Migrate from baremetal stdio.h to generic stdio.h" (#156371)

Reverts llvm/llvm-project#152748

GitOrigin-RevId: 0b1a17c6ccf7e72e4a1044008a655c5e75479b0b
Original-Revision: a4a4f2bba1f43bd123dcf7fcd41113b36d287e0e

Rolled-Repo: https://llvm.googlesource.com/llvm-project/libc
Rolled-Commits: d884b3e1b59aec..a4a4f2bba1f43b
Roller-URL: https://cr-buildbucket.appspot.com/build/8704897497489954369
CQ-Do-Not-Cancel-Tryjobs: true
Cq-Include-Trybots: luci.turquoise.global.try:run-postsubmit-tryjobs
Change-Id: I0ddc27dc0b84a453d9f125472e984f151ae92ce8
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1359431
Commit-Queue: GI Roller <[email protected]>

Author: William Huynh

manifests/third_party/all

@@ -295,7 +295,7 @@
     <project name="llvm-project/libc"
              path="third_party/llvm-libc/src"
              remote="https://llvm.googlesource.com/llvm-project/libc"
-             revision="d884b3e1b59aeca6a985e7dbfc3a20827ae5095b"/>
+             revision="a4a4f2bba1f43bd123dcf7fcd41113b36d287e0e"/>
     <project name="third_party/luci-go"
              path="third_party/luci-go"
              revision="fd977bf9e01d199a529f28af6dc10fe0fa35d9e7"