Roll src/third_party/perfetto 97565d8a9687..f77a4786a334 (10 commits)

https://android.googlesource.com/platform/external/perfetto.git/+log/97565d8a9687..f77a4786a334

git log 97565d8a9687..f77a4786a334 --date=short --no-merges --format='%ad %ae %s'
2019-10-04 treehugger-gerrit@google.com Merge "docs: Add tip about ccache"
2019-10-04 lalitm@google.com Merge "Expose full gpu_slice (with slice columns)"
2019-10-04 lalitm@google.com Merge "trace_processor: fix resize bug"
2019-10-04 lalitm@google.com trace_processor: improve logic of best index
2019-10-04 eseckler@google.com Merge "processor: Stitch chunks of legacy user json traces for export"
2019-10-04 lalitm@google.com Merge "Improve logging of GetCmdlineForPID."
2019-10-04 treehugger-gerrit@google.com Merge "CI: Add Bazel coverage"
2019-10-04 lalitm@google.com Merge "trace_processor: significantly improve performance of bitvector resize"
2019-10-04 tneda@google.com API for drawing flamegraph for selected heap profile
2019-10-04 primiano@google.com Merge "Add yapf python formatter and format all files"

Created with:
  gclient setdep -r src/third_party/perfetto@f77a4786a334

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

TBR=perfetto-bugs@google.com

Bug: None
Change-Id: I508392c1e529bdd2166ae9f10b890dd752324574
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1841652Reviewed-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@{#702895}

DEPS

@@ -1269,7 +1269,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' + '97565d8a9687d21a837afc97cb3317fbd1b3f3c6',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' + 'f77a4786a334c8fd83ece3177f00634ee7e019b5',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + '6f3e5028eb65d0b4c5fdd792106ac4c84eee1eb3',