Roll Perfetto from b156b016f22b to f8ccdc63a188 (2 revisions)

https://android.googlesource.com/platform/external/perfetto.git/+log/b156b016f22b..f8ccdc63a188

2020-08-04 aninditaghosh@google.com Return query result as a pandas dataframe.
2020-08-04 hjd@google.com Merge "ui: Reduce special handling of the summary track"

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: I35a78e3fd0f870a8e1f4911dc87caa1f05069d66
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2337346Reviewed-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@{#794811}

DEPS

@@ -1248,7 +1248,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' + 'b156b016f22bbd24370ff2dc1bcc0a7b3edf7ee4',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' + 'f8ccdc63a188fd977953864bab7490eac9f9852f',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + '6f3e5028eb65d0b4c5fdd792106ac4c84eee1eb3',