Roll Perfetto from 320b6dfbe5e4 to 2d79f95e908d (6 revisions)

https://android.googlesource.com/platform/external/perfetto.git/+log/320b6dfbe5e4..2d79f95e908d

2021-01-14 hjd@google.com Merge "ui: Remove old TODO regarding android_thread_time_in_state_event"
2021-01-14 hjd@google.com Merge "ui: Split add track logic into separate methods"
2021-01-14 rsavitski@google.com Merge "tp: trace_bounds: include the ts column of |perf_sample| table"
2021-01-14 treehugger-gerrit@google.com Merge "Update docs for adding derived events"
2021-01-14 treehugger-gerrit@google.com Merge "upkeep: Fix comments to match argument names"
2021-01-14 treehugger-gerrit@google.com Merge "upkeep: Replace find() == 0 with StartsWith"

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: Id9fb61d4e28754e531758ed484242c46a8d2cc0e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2629788
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#843746}

DEPS

@@ -1266,7 +1266,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' + '320b6dfbe5e4af38dffd392d94a12230bbbaec71',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' + '2d79f95e908dcbae188e1fedd12e8424cbd14392',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + '6f3e5028eb65d0b4c5fdd792106ac4c84eee1eb3',