Roll Perfetto from 43f111af3540 to 6df0243a1173 (5 revisions)

https://android.googlesource.com/platform/external/perfetto.git/+log/43f111af3540..6df0243a1173

2020-07-28 fmayer@google.com Merge "Relax contract of heapprofd_register_heap."
2020-07-28 treehugger-gerrit@google.com Merge "perfetto-ui: Fix search NaN"
2020-07-28 treehugger-gerrit@google.com Merge "Make TSAN happy about WaitableTestEvent."
2020-07-28 treehugger-gerrit@google.com Merge "Remove unnecessary TEST_SKIP."
2020-07-28 khokhlov@google.com Merge "trace_processor: Lower priority for thread names from metadata events"

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/perfetto-chromium-autoroll
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

Cq-Include-Trybots: luci.chromium.try:linux-perfetto-rel
Bug: None
Tbr: perfetto-bugs@google.com
Change-Id: I4d0a671d9cf108d3f8c5fdef890bae1abe0cd908
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2322593Reviewed-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@{#792296}

DEPS

@@ -1248,7 +1248,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' + '43f111af35402e341ed3788839ff5774b2e25210',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' + '6df0243a1173dd13d48f4e404532f155e51bbd0c',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + '6f3e5028eb65d0b4c5fdd792106ac4c84eee1eb3',