Roll Perfetto from bef393a5a340 to cfda0b2aaf01 (10 revisions)

https://android.googlesource.com/platform/external/perfetto.git/+log/bef393a5a340..cfda0b2aaf01

2020-09-14 treehugger-gerrit@google.com Merge "Generate build ids."
2020-09-14 fmayer@google.com Merge "Count how long we sleep for the client spinlock."
2020-09-14 lalitm@google.com Merge "bazel: cleanup duplicate proto deps"
2020-09-14 fmayer@google.com Merge "Separate allocator wrapping logic from Bionic."
2020-09-14 hhb@google.com Merge "Using DoAll"
2020-09-14 treehugger-gerrit@google.com Merge "TrackEvent: Add support for overriding interned data storage"
2020-09-14 lalitm@google.com Merge "ui: fix exponential memory usage for async slice tracks"
2020-09-14 lalitm@google.com metrics: explicitly specify source_set generator for all metric protos
2020-09-14 treehugger-gerrit@google.com Merge "tp: migrate chrome metrics descriptor generation to build time"
2020-09-14 treehugger-gerrit@google.com Merge "Add some additional special classes to histogram"

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: I3aba7344f6c2ed29f6a9ddf4ff71bfa5962e79c5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2411348Reviewed-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@{#806850}

DEPS

@@ -1249,7 +1249,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' + 'bef393a5a340a4d6303b263cba7adee98372ab7f',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' + 'cfda0b2aaf01f3fc41a9885114baeab0c368477e',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + '6f3e5028eb65d0b4c5fdd792106ac4c84eee1eb3',