Roll src/third_party/perfetto 7146ea83c0c4..29de50e4d8ee (1 commits)

https://android.googlesource.com/platform/external/perfetto.git/+log/7146ea83c0c4..29de50e4d8ee

git log 7146ea83c0c4..29de50e4d8ee --date=short --first-parent --format='%ad %ae %s'
2020-03-16 hjd@google.com ui: Fix thread state

Created with:
  gclient setdep -r src/third_party/perfetto@29de50e4d8ee

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/+/master/autoroll/README.md

Bug: chromium:151569976
Tbr: perfetto-bugs@google.com
Change-Id: I9c61478b50d8f35f60f560baaae0cfc9cd3cae12
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2104706Reviewed-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@{#750516}

DEPS

@@ -1239,7 +1239,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' + '7146ea83c0c464a1506c362a5379ceb8b8b63a85',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' + '29de50e4d8ee4180e0b4d08b8d958431079bce79',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + '6f3e5028eb65d0b4c5fdd792106ac4c84eee1eb3',