Roll src/third_party/perfetto 9203f768126d..b4137027e4aa (4 commits)

https://android.googlesource.com/platform/external/perfetto.git/+log/9203f768126d..b4137027e4aa

git log 9203f768126d..b4137027e4aa --date=short --no-merges --format='%ad %ae %s'
2019-10-01 ilkos@google.com Merge "Do not consider invalid callstacks"
2019-10-01 fmayer@google.com Merge "Check ProfilePacket.index in Trace Processor."
2019-10-01 taylori@google.com Merge "perfetto-ui: Prevent double incrementing search index"
2019-10-01 treehugger-gerrit@google.com Merge "Add buildflag for local symbolizer"

Created with:
  gclient setdep -r src/third_party/perfetto@b4137027e4aa

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: Id8a4c03070a30c3c644656be1354814e647f4556
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1832993Reviewed-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@{#701686}

DEPS

@@ -1269,7 +1269,7 @@ deps = {
   },
 
   'src/third_party/perfetto':
-    Var('android_git') + '/platform/external/perfetto.git' + '@' + '9203f768126d5c29e03e58f97d7d14c3739b9d39',
+    Var('android_git') + '/platform/external/perfetto.git' + '@' + 'b4137027e4aa34d9f930a0813bbdb9713e3817a8',
 
   'src/third_party/perl': {
       'url': Var('chromium_git') + '/chromium/deps/perl.git' + '@' + '6f3e5028eb65d0b4c5fdd792106ac4c84eee1eb3',