Revert "Roll traffic_annotation_auditor for Linux"

This reverts commit fb40db12.

Reason for revert: crrev.com/c/1117264 got reverted, and this CL is based on that.

Original change's description:
> Roll traffic_annotation_auditor for Linux
> 
> The new binary for traffic_annotation_auditor after the change in
> crrev.com/c/1117264 is rolled.
> 
> Bug: 856884
> Change-Id: Ief41cd698f8190b3642582a2ddabf15724f91a2f
> TBR: georgesak@chromium.org
> Reviewed-on: https://chromium-review.googlesource.com/1117682
> Reviewed-by: Ramin Halavati <rhalavati@chromium.org>
> Commit-Queue: Ramin Halavati <rhalavati@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#571041}

TBR=georgesak@chromium.org,rhalavati@chromium.org

Change-Id: Idac821023b403db1d9182b54616bcc50904a8401
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 856884
Reviewed-on: https://chromium-review.googlesource.com/1119785
Commit-Queue: Ramin Halavati <rhalavati@chromium.org>
Reviewed-by: Ramin Halavati <rhalavati@chromium.org>
Cr-Commit-Position: refs/heads/master@{#571413}

tools/traffic_annotation/auditor/README.md

@@ -40,8 +40,4 @@ Here are the exception types:
   directly to a MutableNetworkTrafficAnnotationTag. This is controlled to
   avoid assigning arbitrary values to mutable annotations. The format of the
   entries should be `full_function_name@file_path`. For example:
-  `download::ProtoConversions::EntryFromProto@components/download/internal/background_service/proto_conversions.cc`
-
-## Rolling Binary
-If you update traffic_annotation_auditor, please refer to
-`tools/traffic_annotation/bin/README.md` on how to roll the new binary.
\ No newline at end of file
+  `download::ProtoConversions::EntryFromProto@components/download/internal/background_service/proto_conversions.cc`
\ No newline at end of file

tools/traffic_annotation/bin/README.md

@@ -73,5 +73,5 @@ and land the resulting CL.
 The following two lines will be updated by the above script, and the modified
 README should be committed along with the updated .sha1 checksums.
 
-CLANG_REVISION = '335608'
-LASTCHANGE=fed0e8ec393c317037a824b63b3e9690b8b0a4fc-refs/heads/master@{#571031}
+CLANG_REVISION = '331747'
+LASTCHANGE=5ebfed4cb2784625cbcccb588dc7e7bd9c87c9eb-refs/heads/master@{#557822}

tools/traffic_annotation/bin/linux64/traffic_annotation_auditor.sha1

-d47388b3f429e16c8a4aa2a515894cd29aef6f8f
\ No newline at end of file
+171bcdfa3a8354d517eaad35da26eb6750392c13
\ No newline at end of file