Roll Perfetto from b19e07ebf92c to 78d7b4b8250e (2 revisions)

https://android.googlesource.com/platform/external/perfetto.git/+log/b19e07ebf92c..78d7b4b8250e

2020-08-13 treehugger-gerrit@google.com Merge "[RELAND] tp: move thread state implementation to trace processor"
2020-08-13 fmayer@google.com Remove deobfuscation from HeapGraphTracker.

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: chromium:159987908
Tbr: perfetto-bugs@google.com
Change-Id: Ibf5ef6ffee3e187de9585a518938fae7faf83f41
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2354471Reviewed-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@{#797725}

DEPS

@@ -1248,7 +1248,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' + 'b19e07ebf92cd7c427c47385bc3de076d51fa8ef',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' + '78d7b4b8250e8fb9509115c2e0b98dd32bb5b9f4',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + '6f3e5028eb65d0b4c5fdd792106ac4c84eee1eb3',