Roll Perfetto Trace Processor Mac from 7c7b98f06001 to a4b8d27d96b7

https://android.googlesource.com/platform/external/perfetto.git/+log/7c7b98f06001..a4b8d27d96b7

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/perfetto-trace-processor-mac-chromium
Please CC perfetto-bugs@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/master/autoroll/README.md

Tbr: perfetto-bugs@google.com
Change-Id: Ic9671ce4043a9ff946c7fb08947996920e824260
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2465870Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#816325}

tools/perf/core/perfetto_binary_roller/binary_deps.json

@@ -5,8 +5,8 @@
             "remote_path": "perfetto_binaries/trace_processor_shell/win/935a915963e1482109b102c82585d78c12112b31/trace_processor_shell.exe"
         },
         "mac": {
-            "hash": "f401bbb73573f5ce4747f8226200b560733980c0",
-            "remote_path": "perfetto_binaries/trace_processor_shell/mac/7c7b98f060011e2ed9602bede9d8a6a5f875fb3c/trace_processor_shell"
+            "hash": "5c6a76e29cb34a936433d215fa3b8445fb589ae0",
+            "remote_path": "perfetto_binaries/trace_processor_shell/mac/a4b8d27d96b763f6aaccef6610a1f723471f4d5d/trace_processor_shell"
         },
         "linux": {
             "hash": "04d376f2376bc6bd96b6a019256f61d92237d05a",